trigonn.

Brit.

/ˈtrʌɪɡ(ə)n/,

/ˈtrʌɪɡɒn/, U.S.

/ˈtraɪˌɡɑn/

Forms: Also 1600s trygon, 1600s–1700s trigone.

Etymology: < Latin trigōnum, < Greek τρίγωνον triangle, neuter of τρίγωνος , < τρι- tri- comb. form + -γωνος -angled, -cornered.

1. A figure having three angles and three sides; a triangle.

ΘΚΠ

the world > space > shape > angularity > specific angular shape > [noun] > triangle

triangle1398

triquetra1586

trigon1600

trilateral1766

the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > triangle

triangle1398

trigon1600

triquetra1706

trilateral1766

trilineal1807

1600 E. Fairfax tr. T. Tasso Godfrey of Bulloigne ii. li. 29 Let Ismen with his squares and trigons war.

a1627 J. Beaumont Bosworth-field (1629) 13 When the Cranes direct their flight, on high,..they in a Trigon flie.

1694 P. A. Motteux Wks. F. Rabelais (1737) iv. Prol. 78 An equilateral Trigone.

1806 C. Hutton Course Math. (ed. 5) I. 272 An Equilateral Triangle is also a Regular Figure of three sides..being also called a Trigon.

1859 F. A. Griffiths Artillerist's Man. (1862) 333 Trigon..Heptagon..Octagon.

2. Astrology (a) A set of three signs of the zodiac, distant 120° from each other, as if at the angles of an equilateral triangle; = triplicity n. 3 (Also figurative or allusively.) (b) The aspect of two planets distant 120° from each other; = trine adj. 2.

ΘΚΠ

the world > the universe > planet > position of planet > aspect > [noun] > trine

trigon1563

trine1581

the world > the universe > celestial sphere > zone of celestial sphere > [noun] > Zodiac > sign of zodiac > in combination

triplicity1398

trigon1563

fiery1790

1563 T. Hill Arte Gardening (1593) 24 When they are asunder 120 degrees, which is called a triangle, Trygon, or Trient aspect.

1589 W. Warner Albions Eng. (new ed.) vi. xxxi. 140 She Euen at the firie Trigon shall your cheefe Ascendant be.

1593 G. Harvey Pierces Supererogation 100* His Zeale to God, and the Church, was an aery Triplicity: and his deuotion to his Prince, and the State, a fiery Trigon.

1600 W. Shakespeare Henry IV, Pt. 2 ii. iv. 267 And look whether the fierie Trigon his man be not lisping to his master.

a1634 W. Austin Devotionis Augustinianæ Flamma (1635) 7 If the Astronomers hold there was a great Trigon of Constellations at his [Christ's] Birth: I am sure here is a great Trigon of Trigons, at his Conception.

1644 W. Lilly Englands Propheticall Merline (title page) The beginning, and end of the Watry Trygon: An entrance of the fiery Triplicity.

1664 S. Butler Hudibras: Second Pt. ii. iii. 196 Some..Affirm the Trigons chop'd and chang'd, The Watry with the Firy rang'd.

1698 T. Hearne Ductor Historicus I. i. ii. 20 Saturn and Jupiter..having run through all the four Trigons, meet again, according to Kepler, at the end of 800 Years.

1819 J. Wilson Compl. Dict. Astrol. at Triplicity The first trigon is composed of ♈, ♌, and ♐, and is therefore called the fiery triplicity.

†a. A triangular instrument used in surveying; also, one used in dialling. Obsolete.

ΘΚΠ

the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments > other surveying instruments

quadrat?c1400

trigon1590

square1600

peractor1616

definitor1664

Marquois scale1783

topograph1865

outkeeper1868

aba1876

the world > the universe > cosmology > science of observation > astronomical instruments > used in dialling > [noun]

trigonal1593

incliner1610

plane1669

trigon1704

1590 J. Blagrave Baculum Familliare (title page) A Booke of the making and vse of a Staffe, newly inuented by the Author, called the Familiar Staffe,..which..staffe..readily performeth all the seuerall vses of the Crosse staffe, the Quadrate, the Circle, the Quadrante, the Gunners Quadrante, the Trigon, [etc.].

1704 J. Harris Lexicon Technicum I. (at cited word) In Dyaling there is sometimes used an Instrument of a Triangular Form, which is called, a Trigon.

†b. A triangular fort. Obsolete.

ΘΚΠ

society > armed hostility > defence > defensive work(s) > fort or fortified town > [noun] > fort according to shape

pentagonon1625

star-sconce1632

octagon1648

pentagon1648

hexagon1669

star fort1669

tetragon1669

star1672

star redoubt1687

trigon1688

1688 R. Holme Acad. Armory (1905) iii. xvi. 98/1 A Trigon, a figure of a fort with three corners.

c. An ancient lyre or harp of triangular form.

ΘΚΠ

society > leisure > the arts > music > musical instrument > stringed instruments > harp or lyre > [noun] > lyre > other lyres

testudo1702

trigon1728

trigonon1728

trigonum1738

phorminx1776

veena1789

tortoise-lyrea1822

kissar1864

nyatiti1964

1728 E. Chambers Cycl. (at cited word) The Trigon was a kind of triangular Lyre, invented by Ibycus.

1776 J. Hawkins Gen. Hist. Music I. ii. ix. 247 The Trigon..was..struck either with a quill, or beaten with little rods.

1879 J. Stainer Music of Bible 11 Attempts to shew that the kinnor was a trigon, or three-cornered harp.

4. Zoology. A bivalve of the genus Trigonia.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Pelecypoda or Conchifera > [noun] > section Asiphonida > family Trigoniadae > genus Trigonia > member of

trigon1835

1835 W. Kirby On Power of God in Creation of Animals I. viii. 263 The Trigons, nearly related to the cockle, are mostly fossils.

5. Name of an ancient game at ball (Greek τρίγων, Latin trigōn (‘lusum trigonem’, Horace Sat. i. vi. 126)).

ΘΚΠ

society > leisure > sport > types of sport or game > ball game > handball, etc. > [noun] > other handball games

cache1444

hand in and hand out1478

cachepell1539

hand-out1540

knappan1573

wind-ball1578

balloon?1591

bord-and-cord1591

hurlingc1600

pize-balla1796

trigon1842

pallone1859

push-ball1895

throwball1895

punchball1908

wallyball1982

1842 W. Smith Dict. Greek & Rom. Antiq. 761/2 The most favourite game at ball seems to have been the trigon or pila trigonalis,..played at by three persons, who stood in the form of a triangle.

6. Comparative Anatomy. The triangle formed by the three cusps of the upper molars in primitive mammals.

ΘΚΠ

the world > animals > mammals > [noun] > fossil or extinct > parts of

trigon1897

1897 H. F. Osborn in Amer. Naturalist Dec. 1002 Our studies among the Mesozoic mammals have left no doubt that the upper and lower triangles, or ‘trigon’ and ‘trigonid’, were derived from the reptilian protocone by the addition of lateral cusps... The ‘trigon’ was essentially a cutting apparatus, so perfect that many mammals retained it without further evolution.

This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2022).

单词	trigon
释义	trigonn. Brit. /ˈtrʌɪɡ(ə)n/, /ˈtrʌɪɡɒn/, U.S. /ˈtraɪˌɡɑn/ Forms: Also 1600s trygon, 1600s–1700s trigone. Etymology: < Latin trigōnum, < Greek τρίγωνον triangle, neuter of τρίγωνος , < τρι- tri- comb. form + -γωνος -angled, -cornered. 1. A figure having three angles and three sides; a triangle. ΘΚΠ the world > space > shape > angularity > specific angular shape > [noun] > triangle triangle1398 triquetra1586 trigon1600 trilateral1766 the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > triangle triangle1398 trigon1600 triquetra1706 trilateral1766 trilineal1807 1600 E. Fairfax tr. T. Tasso Godfrey of Bulloigne ii. li. 29 Let Ismen with his squares and trigons war. a1627 J. Beaumont Bosworth-field (1629) 13 When the Cranes direct their flight, on high,..they in a Trigon flie. 1694 P. A. Motteux Wks. F. Rabelais (1737) iv. Prol. 78 An equilateral Trigone. 1806 C. Hutton Course Math. (ed. 5) I. 272 An Equilateral Triangle is also a Regular Figure of three sides..being also called a Trigon. 1859 F. A. Griffiths Artillerist's Man. (1862) 333 Trigon..Heptagon..Octagon. 2. Astrology (a) A set of three signs of the zodiac, distant 120° from each other, as if at the angles of an equilateral triangle; = triplicity n. 3 (Also figurative or allusively.) (b) The aspect of two planets distant 120° from each other; = trine adj. 2. ΘΚΠ the world > the universe > planet > position of planet > aspect > [noun] > trine trigon1563 trine1581 the world > the universe > celestial sphere > zone of celestial sphere > [noun] > Zodiac > sign of zodiac > in combination triplicity1398 trigon1563 fiery1790 1563 T. Hill Arte Gardening (1593) 24 When they are asunder 120 degrees, which is called a triangle, Trygon, or Trient aspect. 1589 W. Warner Albions Eng. (new ed.) vi. xxxi. 140 She Euen at the firie Trigon shall your cheefe Ascendant be. 1593 G. Harvey Pierces Supererogation 100* His Zeale to God, and the Church, was an aery Triplicity: and his deuotion to his Prince, and the State, a fiery Trigon. 1600 W. Shakespeare Henry IV, Pt. 2 ii. iv. 267 And look whether the fierie Trigon his man be not lisping to his master. View more context for this quotation a1634 W. Austin Devotionis Augustinianæ Flamma (1635) 7 If the Astronomers hold there was a great Trigon of Constellations at his [Christ's] Birth: I am sure here is a great Trigon of Trigons, at his Conception. 1644 W. Lilly Englands Propheticall Merline (title page) The beginning, and end of the Watry Trygon: An entrance of the fiery Triplicity. 1664 S. Butler Hudibras: Second Pt. ii. iii. 196 Some..Affirm the Trigons chop'd and chang'd, The Watry with the Firy rang'd. 1698 T. Hearne Ductor Historicus I. i. ii. 20 Saturn and Jupiter..having run through all the four Trigons, meet again, according to Kepler, at the end of 800 Years. 1819 J. Wilson Compl. Dict. Astrol. at Triplicity The first trigon is composed of ♈, ♌, and ♐, and is therefore called the fiery triplicity. 3. †a. A triangular instrument used in surveying; also, one used in dialling. Obsolete. ΘΚΠ the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments > other surveying instruments quadrat?c1400 trigon1590 square1600 peractor1616 definitor1664 Marquois scale1783 topograph1865 outkeeper1868 aba1876 the world > the universe > cosmology > science of observation > astronomical instruments > used in dialling > [noun] trigonal1593 incliner1610 plane1669 trigon1704 1590 J. Blagrave Baculum Familliare (title page) A Booke of the making and vse of a Staffe, newly inuented by the Author, called the Familiar Staffe,..which..staffe..readily performeth all the seuerall vses of the Crosse staffe, the Quadrate, the Circle, the Quadrante, the Gunners Quadrante, the Trigon, [etc.]. 1704 J. Harris Lexicon Technicum I. (at cited word) In Dyaling there is sometimes used an Instrument of a Triangular Form, which is called, a Trigon. †b. A triangular fort. Obsolete. ΘΚΠ society > armed hostility > defence > defensive work(s) > fort or fortified town > [noun] > fort according to shape pentagonon1625 star-sconce1632 octagon1648 pentagon1648 hexagon1669 star fort1669 tetragon1669 star1672 star redoubt1687 trigon1688 1688 R. Holme Acad. Armory (1905) iii. xvi. 98/1 A Trigon, a figure of a fort with three corners. c. An ancient lyre or harp of triangular form. ΘΚΠ society > leisure > the arts > music > musical instrument > stringed instruments > harp or lyre > [noun] > lyre > other lyres testudo1702 trigon1728 trigonon1728 trigonum1738 phorminx1776 veena1789 tortoise-lyrea1822 kissar1864 nyatiti1964 1728 E. Chambers Cycl. (at cited word) The Trigon was a kind of triangular Lyre, invented by Ibycus. 1776 J. Hawkins Gen. Hist. Music I. ii. ix. 247 The Trigon..was..struck either with a quill, or beaten with little rods. 1879 J. Stainer Music of Bible 11 Attempts to shew that the kinnor was a trigon, or three-cornered harp. 4. Zoology. A bivalve of the genus Trigonia. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Pelecypoda or Conchifera > [noun] > section Asiphonida > family Trigoniadae > genus Trigonia > member of trigon1835 1835 W. Kirby On Power of God in Creation of Animals I. viii. 263 The Trigons, nearly related to the cockle, are mostly fossils. 5. Name of an ancient game at ball (Greek τρίγων, Latin trigōn (‘lusum trigonem’, Horace Sat. i. vi. 126)). ΘΚΠ society > leisure > sport > types of sport or game > ball game > handball, etc. > [noun] > other handball games cache1444 hand in and hand out1478 cachepell1539 hand-out1540 knappan1573 wind-ball1578 balloon?1591 bord-and-cord1591 hurlingc1600 pize-balla1796 trigon1842 pallone1859 push-ball1895 throwball1895 punchball1908 wallyball1982 1842 W. Smith Dict. Greek & Rom. Antiq. 761/2 The most favourite game at ball seems to have been the trigon or pila trigonalis,..played at by three persons, who stood in the form of a triangle. 6. Comparative Anatomy. The triangle formed by the three cusps of the upper molars in primitive mammals. ΘΚΠ the world > animals > mammals > [noun] > fossil or extinct > parts of trigon1897 1897 H. F. Osborn in Amer. Naturalist Dec. 1002 Our studies among the Mesozoic mammals have left no doubt that the upper and lower triangles, or ‘trigon’ and ‘trigonid’, were derived from the reptilian protocone by the addition of lateral cusps... The ‘trigon’ was essentially a cutting apparatus, so perfect that many mammals retained it without further evolution. This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2022). < n.1563
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