pinnateadj.

Brit.

/ˈpɪneɪt/,

/ˈpɪnᵻt/, U.S.

/ˈpɪˌneɪt/,

/ˈpɪnᵻt/

Origin: A borrowing from Latin. Etymon: Latin pinnātus.

Etymology: < classical Latin pinnātus feathered, winged, also used with reference to foliage, in post-classical Latin also having fins (5th cent.) < pinna feather, wing, fin (see pinna n.²) + -ātus -ate suffix². Compare pennate adj. Compare earlier bipinnate adj., tripinnate adj.

1. Resembling a feather; having lateral parts or branches on each side of a common axis, like the vanes of a feather.

a. Botany. Of a compound leaf: composed of a series of (usually opposite) leaflets arranged on each side of a common petiole; (of a fern frond) composed of a series of pinnae arranged on each side of the rachis. Also: (of leaf venation) consisting of a series of lateral branches arising on each side of the midrib. Cf. bipinnate adj., tripinnate adj.alternately, odd-, oppositely pinnate, etc.: see the first element.

ΘΚΠ

the world > plants > part of plant > leaf > [adjective] > compound or lobed

cut1565

winged1668

pinnate1687

conjugated1690

trifoliated1698

auriculated1712

auriculate1714

pennate1723

pinnated1725

pennated1727

bigeminate1753

lyrated1753

pedated1753

pinnatifid1753

supradecomposite1753

supradecompound1753

ternated1753

trifoliate1753

lyrate1760

pedate1760

quinate1760

ternate1760

tripinnate1760

palmed1767

bilobated1770

lyre-shaped1778

pennatifid1778

finger-parted1783

superdecompound1783

bipinnate1785

biternate1785

conjugate1785

lobed1787

tergeminate1793

wing-cleft1796

yoked?1803

binate1807

septenate1807

trijugous1813

auricled1821

pinniform1821

multijugous1828

pinnulate1828

trifoliolate1828

bipinnatifid1830

multifoliolate1831

multijugate1831

quinquefoliolate1832

bifoliolate1835

pinnatisected1837

palmatifid1839

tripinnatifid1839

foliate1840

palmatipartite1840

pinnatilobate1840

pinnatipartite1840

pinnatisect1840

bipinnated1842

biconjugate1847

imparipinnate1847

paripinnate1851

pinnatulate1855

polytomous1856

multifoliate1857

pennati-partite1857

pennati-sected1857

ternato-pinnate1857

tripinnatisect1857

patentoternate1859

septemfoliate1859

bipinnatipartite1861

bipinnatisected1861

bipalmate1864

pinnatilobed1866

septenous1866

cut-leaved1870

lobing1870

ternatisect1870

tripinnated1876

trijugate1880

jugate1887

pinnulated1890

trisect1899

tridigitate1900

trigeminous1900

1687 Philos. Trans. 1686–7 (Royal Soc.) 16 284 These [Herbs] are subdivided according to their Leaves, as they are whole, entire or undivided; or variously cut, laciniated, pinnate and ramose.

1723 P. Blair Pharmaco-botanologia i. 37 English Maiden Hair is a Plant with a long, narrow, pinnate Leaf.

1760 J. Lee Introd. Bot. ii. xxxi. 149 Asplenium, with pinnate Leaves.

1806 M. Lewis Jrnl. in Jrnls. Lewis & Clark Expedition (1990) VI. 299 It's leaves are cauline, compound and oppositely pinnate.

1864 D. Oliver Lessons Elem. Bot. i. 77 Compound leaves are either of the pinnate type, as Rose, or of the digitate type, as Horse Chestnut.

1900 H. L. Keeler Our Native Trees 92 The leaves are pinnate, six to twelve inches long, the rachis is wing-margined.

a1933 J. A. Thomson Biol. for Everyman (1934) II. 1110 The frond of the male fern has a stout central rachis with leaflets or pinnae on each side. It is a compound leaf built up on the pattern of a feather, and therefore called pinnate.

1966 New Phytologist 65 306 The leaves are flat and simple, [and] have a single midrib and pinnate venation.

1995 Garden (Royal Hort. Soc.) Nov. 709/3 Rising above is the contrasting horizontal form of the spreading shrub Aralia spinosa.., armed with thorny stems, but superb pinnate foliage.

b. Zoology. Having tentacles, filaments, fibres, markings, etc., arranged on each side of an axis. Cf. pennate adj. 3, pinna n.² 2b.

ΘΚΠ

the world > animals > animal body > general parts > [adjective] > axial > having lateral parts on each side of an axis

pinnate1846

1846 J. D. Dana U.S. Exploring Exped.: Zoophytes iv. 73 The budding polyps are sometimes confined to two opposite sides of a branch, and pinnate forms result.

1875 C. C. Blake Zoology 200 The tail is pinnate at the point.

1890 Cent. Dict. Pinnate, in entom., noting a surface (especially that of the posterior femora of grasshoppers) having minute parallel oblique lines on each side of a central ridge, so that the whole somewhat resembles a feather.

1958 J. E. Morton Molluscs ii. 38 Around the anus appear a ring of five to nine pinnate secondary gills.

1995 P. F. S. Cornelius et al. in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe iv. 63 (in figure) Oral disk of octocoral (all tentacles are pinnate).

c. Physical Geography. Of a drainage pattern: marked by closely spaced tributaries meeting a stream at an acute angle.

ΘΚΠ

the world > the earth > water > rivers and streams > system > [adjective]

autogenetic1890

superposed1894

trellised1895

antecedent1927

radial1931

pinnate1932

1932 E. R. Zernitz in Jrnl. Geol. (Chicago) 40 512 These acute-angled joinings with the rather evenly spaced and parallel tributaries form a pattern so much like that of a feather that it might appropriately be called ‘pinnate’... Figure 8 is an example of pinnate drainage.

1968 R. W. Fairbridge Encycl. Geomorphol. 287/2 Modified dendritic drainage may be described as pinnate, sub-parallel or anastomatic.

1994 Amer. Antiq. 59 223 Drainage patterns vary from dendritic to pinnate (i.e., a featherlike branching pattern).

†2. Zoology. Having feathers, wings, or fins, or parts resembling these. Cf. pinna n.² 2a. Obsolete. rare.Apparently only attested in dictionaries or glossaries.

ΘΚΠ

the world > animals > birds > parts of or bird defined by > [adjective] > having wings

wingedc1405

pinnate1890

the world > animals > animal body > general parts > body and limbs > [adjective] > relating to limbs > relating to wings or fins > having wings or fins

finned1340

wingedc1405

wingy1596

alated1753

pinnated1776

alate1876

pinnate1890

the world > animals > animal body > general parts > covering or skin > [adjective] > having a coat > hairy, furry, or woolly > feathered

plumeda1529

feathered1686

plumose1727

pinnated1776

pinnate1890

1890 Cent. Dict. Pinnate, in zoöl..., provided with a pinna or pinnæ; having wings, fins, or similar parts.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online June 2022).

单词	pinnate
释义	pinnateadj. Brit. /ˈpɪneɪt/, /ˈpɪnᵻt/, U.S. /ˈpɪˌneɪt/, /ˈpɪnᵻt/ Origin: A borrowing from Latin. Etymon: Latin pinnātus. Etymology: < classical Latin pinnātus feathered, winged, also used with reference to foliage, in post-classical Latin also having fins (5th cent.) < pinna feather, wing, fin (see pinna n.²) + -ātus -ate suffix². Compare pennate adj. Compare earlier bipinnate adj., tripinnate adj. 1. Resembling a feather; having lateral parts or branches on each side of a common axis, like the vanes of a feather. a. Botany. Of a compound leaf: composed of a series of (usually opposite) leaflets arranged on each side of a common petiole; (of a fern frond) composed of a series of pinnae arranged on each side of the rachis. Also: (of leaf venation) consisting of a series of lateral branches arising on each side of the midrib. Cf. bipinnate adj., tripinnate adj.alternately, odd-, oppositely pinnate, etc.: see the first element. ΘΚΠ the world > plants > part of plant > leaf > [adjective] > compound or lobed cut1565 winged1668 pinnate1687 conjugated1690 trifoliated1698 auriculated1712 auriculate1714 pennate1723 pinnated1725 pennated1727 bigeminate1753 lyrated1753 pedated1753 pinnatifid1753 supradecomposite1753 supradecompound1753 ternated1753 trifoliate1753 lyrate1760 pedate1760 quinate1760 ternate1760 tripinnate1760 palmed1767 bilobated1770 lyre-shaped1778 pennatifid1778 finger-parted1783 superdecompound1783 bipinnate1785 biternate1785 conjugate1785 lobed1787 tergeminate1793 wing-cleft1796 yoked?1803 binate1807 septenate1807 trijugous1813 auricled1821 pinniform1821 multijugous1828 pinnulate1828 trifoliolate1828 bipinnatifid1830 multifoliolate1831 multijugate1831 quinquefoliolate1832 bifoliolate1835 pinnatisected1837 palmatifid1839 tripinnatifid1839 foliate1840 palmatipartite1840 pinnatilobate1840 pinnatipartite1840 pinnatisect1840 bipinnated1842 biconjugate1847 imparipinnate1847 paripinnate1851 pinnatulate1855 polytomous1856 multifoliate1857 pennati-partite1857 pennati-sected1857 ternato-pinnate1857 tripinnatisect1857 patentoternate1859 septemfoliate1859 bipinnatipartite1861 bipinnatisected1861 bipalmate1864 pinnatilobed1866 septenous1866 cut-leaved1870 lobing1870 ternatisect1870 tripinnated1876 trijugate1880 jugate1887 pinnulated1890 trisect1899 tridigitate1900 trigeminous1900 1687 Philos. Trans. 1686–7 (Royal Soc.) 16 284 These [Herbs] are subdivided according to their Leaves, as they are whole, entire or undivided; or variously cut, laciniated, pinnate and ramose. 1723 P. Blair Pharmaco-botanologia i. 37 English Maiden Hair is a Plant with a long, narrow, pinnate Leaf. 1760 J. Lee Introd. Bot. ii. xxxi. 149 Asplenium, with pinnate Leaves. 1806 M. Lewis Jrnl. in Jrnls. Lewis & Clark Expedition (1990) VI. 299 It's leaves are cauline, compound and oppositely pinnate. 1864 D. Oliver Lessons Elem. Bot. i. 77 Compound leaves are either of the pinnate type, as Rose, or of the digitate type, as Horse Chestnut. 1900 H. L. Keeler Our Native Trees 92 The leaves are pinnate, six to twelve inches long, the rachis is wing-margined. a1933 J. A. Thomson Biol. for Everyman (1934) II. 1110 The frond of the male fern has a stout central rachis with leaflets or pinnae on each side. It is a compound leaf built up on the pattern of a feather, and therefore called pinnate. 1966 New Phytologist 65 306 The leaves are flat and simple, [and] have a single midrib and pinnate venation. 1995 Garden (Royal Hort. Soc.) Nov. 709/3 Rising above is the contrasting horizontal form of the spreading shrub Aralia spinosa.., armed with thorny stems, but superb pinnate foliage. b. Zoology. Having tentacles, filaments, fibres, markings, etc., arranged on each side of an axis. Cf. pennate adj. 3, pinna n.² 2b. ΘΚΠ the world > animals > animal body > general parts > [adjective] > axial > having lateral parts on each side of an axis pinnate1846 1846 J. D. Dana U.S. Exploring Exped.: Zoophytes iv. 73 The budding polyps are sometimes confined to two opposite sides of a branch, and pinnate forms result. 1875 C. C. Blake Zoology 200 The tail is pinnate at the point. 1890 Cent. Dict. Pinnate, in entom., noting a surface (especially that of the posterior femora of grasshoppers) having minute parallel oblique lines on each side of a central ridge, so that the whole somewhat resembles a feather. 1958 J. E. Morton Molluscs ii. 38 Around the anus appear a ring of five to nine pinnate secondary gills. 1995 P. F. S. Cornelius et al. in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe iv. 63 (in figure) Oral disk of octocoral (all tentacles are pinnate). c. Physical Geography. Of a drainage pattern: marked by closely spaced tributaries meeting a stream at an acute angle. ΘΚΠ the world > the earth > water > rivers and streams > system > [adjective] autogenetic1890 superposed1894 trellised1895 antecedent1927 radial1931 pinnate1932 1932 E. R. Zernitz in Jrnl. Geol. (Chicago) 40 512 These acute-angled joinings with the rather evenly spaced and parallel tributaries form a pattern so much like that of a feather that it might appropriately be called ‘pinnate’... Figure 8 is an example of pinnate drainage. 1968 R. W. Fairbridge Encycl. Geomorphol. 287/2 Modified dendritic drainage may be described as pinnate, sub-parallel or anastomatic. 1994 Amer. Antiq. 59 223 Drainage patterns vary from dendritic to pinnate (i.e., a featherlike branching pattern). †2. Zoology. Having feathers, wings, or fins, or parts resembling these. Cf. pinna n.² 2a. Obsolete. rare.Apparently only attested in dictionaries or glossaries. ΘΚΠ the world > animals > birds > parts of or bird defined by > [adjective] > having wings wingedc1405 pinnate1890 the world > animals > animal body > general parts > body and limbs > [adjective] > relating to limbs > relating to wings or fins > having wings or fins finned1340 wingedc1405 wingy1596 alated1753 pinnated1776 alate1876 pinnate1890 the world > animals > animal body > general parts > covering or skin > [adjective] > having a coat > hairy, furry, or woolly > feathered plumeda1529 feathered1686 plumose1727 pinnated1776 pinnate1890 1890 Cent. Dict. Pinnate, in zoöl..., provided with a pinna or pinnæ; having wings, fins, or similar parts. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online June 2022). < adj.1687
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