plumb rulen.

Brit.

/ˈplʌmruːl/, U.S.

/ˈpləmˌrul/

Forms: see plumb n.¹ and rule n.¹

Origin: Formed within English, by compounding. Etymons: plumb n.¹, rule n.¹

Etymology: < plumb n.¹ + rule n.¹

An instrument used to test for verticality consisting of a narrow straight-edged board marked lengthways with a straight line and having a plumb line fixed to one end, the two lines being coincident when it is vertical.

ΘΚΠ

society > occupation and work > equipment > equipment for marking out work > [noun] > plumb-line or chalk-line

poundereOE

righteOE

line1340

plummeta1398

plumba1400

perpendicle?c1400

plumb rulec1400

levelc1440

pendant1440

plumb linea1456

levelling-rule1598

perpendicular1604

plummet levelc1850

point-brass1850

c1400 ( G. Chaucer Treat. Astrolabe (Brussels) (1940) ii. §38. f. 95 Sette thy pyn by a plumrewles ende [a1450 Robinson ed. plom-rule evene; v.r. plom-rewle euene] vpriȝt.

1559 W. Cuningham Cosmogr. Glasse 88 (caption) In the Picture..A. F. is the first peace or rule..E. The Foote of the staffe. C.F. The Plumrule.

1578 T. Cooper Thesaurus (new ed.) Ad perpendiculum, to trie by the plumbe rule.

1663 B. Gerbier Counsel to Builders 27 Brick-layers..to use often their line, and plum-rule.

1688 R. Holme Acad. Armory iii. vii. 343/1 The Plumb-Rule sheweth him whether his Walling do both range straight, and stand upright.

1724 Philos. Trans. 1722–3 (Royal Soc.) 33 97 The compass-box was placed upon a wooden stool,..and its top set level by a plumb-rule.

1737 N.-Y. Weekly Jrnl. 14 Nov. in R. S. Gottesman Arts & Crafts in N.Y. (1938) I A small Silver Square, a Level, a Plumb-Rule, and Silver Pen, and other Utensils belonging to the Lodge of Free Masons.

1831 Times 21 June 6/2 His Lordship having adjusted it with the mallet, and proved it upright by the plumb-rule and level, his Lordship..closed the proceedings.

1860 S. E. Todd Young Farmers' Man. 134 Apply the plumb-rule and see if the pickets are perpendicular.

1929 Jrnl. Afr. Soc. 28 360 They are taught..the use of the level, square and plumb-rule as the wall rises in height.

1974 P. W. Blandford Country Craft Tools x. 151 A plumb rule for holding against a surface, such as a wall, to test its verticality.

1997 Daily News (New Plymouth) (Nexis) 2 Aug. 16 The gavel, chisel and rule are associated with the first degree of Freemasonry; the square, level and plumb-rule with the second degree.

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

单词	plumb rule
释义	plumb rulen. Brit. /ˈplʌmruːl/, U.S. /ˈpləmˌrul/ Forms: see plumb n.¹ and rule n.¹ Origin: Formed within English, by compounding. Etymons: plumb n.¹, rule n.¹ Etymology: < plumb n.¹ + rule n.¹ An instrument used to test for verticality consisting of a narrow straight-edged board marked lengthways with a straight line and having a plumb line fixed to one end, the two lines being coincident when it is vertical. ΘΚΠ society > occupation and work > equipment > equipment for marking out work > [noun] > plumb-line or chalk-line poundereOE righteOE line1340 plummeta1398 plumba1400 perpendicle?c1400 plumb rulec1400 levelc1440 pendant1440 plumb linea1456 levelling-rule1598 perpendicular1604 plummet levelc1850 point-brass1850 c1400 ( G. Chaucer Treat. Astrolabe (Brussels) (1940) ii. §38. f. 95 Sette thy pyn by a plumrewles ende [a1450 Robinson ed. plom-rule evene; v.r. plom-rewle euene] vpriȝt. 1559 W. Cuningham Cosmogr. Glasse 88 (caption) In the Picture..A. F. is the first peace or rule..E. The Foote of the staffe. C.F. The Plumrule. 1578 T. Cooper Thesaurus (new ed.) Ad perpendiculum, to trie by the plumbe rule. 1663 B. Gerbier Counsel to Builders 27 Brick-layers..to use often their line, and plum-rule. 1688 R. Holme Acad. Armory iii. vii. 343/1 The Plumb-Rule sheweth him whether his Walling do both range straight, and stand upright. 1724 Philos. Trans. 1722–3 (Royal Soc.) 33 97 The compass-box was placed upon a wooden stool,..and its top set level by a plumb-rule. 1737 N.-Y. Weekly Jrnl. 14 Nov. in R. S. Gottesman Arts & Crafts in N.Y. (1938) I A small Silver Square, a Level, a Plumb-Rule, and Silver Pen, and other Utensils belonging to the Lodge of Free Masons. 1831 Times 21 June 6/2 His Lordship having adjusted it with the mallet, and proved it upright by the plumb-rule and level, his Lordship..closed the proceedings. 1860 S. E. Todd Young Farmers' Man. 134 Apply the plumb-rule and see if the pickets are perpendicular. 1929 Jrnl. Afr. Soc. 28 360 They are taught..the use of the level, square and plumb-rule as the wall rises in height. 1974 P. W. Blandford Country Craft Tools x. 151 A plumb rule for holding against a surface, such as a wall, to test its verticality. 1997 Daily News (New Plymouth) (Nexis) 2 Aug. 16 The gavel, chisel and rule are associated with the first degree of Freemasonry; the square, level and plumb-rule with the second degree. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.c1400
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