leaf shapen.

Brit.

/ˈliːf ʃeɪp/, U.S.

/ˈlif ˌʃeɪp/

Origin: Formed within English, by compounding. Etymons: leaf n.¹, shape n.¹

Etymology: < leaf n.¹ + shape n.¹

1. A shape resembling that of a leaf; spec. with reference to a blade or arrowhead.

ΘΚΠ

the world > space > shape > other specific shapes > [noun] > others

sunc1400

T1621

floscule1669

cauliflower1803

leaf shape1804

map1822

sphendone1847

thistle1891

turkey-foot1932

1804 J. Robison Elem. Mech. Philos. I. 520 A beam of faint yellowish grey light..extending, in a pointed or leaf shape, about eight or ten degrees.

1866 Anthropol. Rev. 4 77 This Roman sword-blade possesses the characteristic leaf-shape.

1911 Washington Post 12 Nov. (Misc. section) 9/2 Cut the three small leaf shapes of green tissue paper and paste them to the wire.

1968 Asian Perspectives 11 12 Representative forms of the arrowheads were a leaf-shape and a long isosceles triangle.

2006 Field July 96/2 Examples of the larking glass vary widely in design, with some of the earlier ones carved into leaf shapes.

2. The shape of a plant leaf, esp. as a characteristic of a particular plant or variety.

ΚΠ

1866 Sun. Mag. 1 Oct. 42/2 Besides this morphological reason for the immense variety of leaf-shapes, there are also teleological and geographical reasons.

1909 E. Warming et al. Oecol. Plants iii. xxviii. 99 The properties of water bring forth leaf-shapes entirely different from those of land-plants.

1946 Nature 13 July 64/1 When a leaf-shape is transferred from a late to an early flowering species the action of the gene is accelerated.

2006 A. G. van der Valk Biol. Freshwater Wetlands iv. 67 Changes in leaf shape, size, and thickness and petiole or leaf/shoot length are common in facultatively heterophyllous species.

This entry has been updated (OED Third Edition, September 2016; most recently modified version published online March 2022).

单词	leaf shape
释义	leaf shapen. Brit. /ˈliːf ʃeɪp/, U.S. /ˈlif ˌʃeɪp/ Origin: Formed within English, by compounding. Etymons: leaf n.¹, shape n.¹ Etymology: < leaf n.¹ + shape n.¹ 1. A shape resembling that of a leaf; spec. with reference to a blade or arrowhead. ΘΚΠ the world > space > shape > other specific shapes > [noun] > others sunc1400 T1621 floscule1669 cauliflower1803 leaf shape1804 map1822 sphendone1847 thistle1891 turkey-foot1932 1804 J. Robison Elem. Mech. Philos. I. 520 A beam of faint yellowish grey light..extending, in a pointed or leaf shape, about eight or ten degrees. 1866 Anthropol. Rev. 4 77 This Roman sword-blade possesses the characteristic leaf-shape. 1911 Washington Post 12 Nov. (Misc. section) 9/2 Cut the three small leaf shapes of green tissue paper and paste them to the wire. 1968 Asian Perspectives 11 12 Representative forms of the arrowheads were a leaf-shape and a long isosceles triangle. 2006 Field July 96/2 Examples of the larking glass vary widely in design, with some of the earlier ones carved into leaf shapes. 2. The shape of a plant leaf, esp. as a characteristic of a particular plant or variety. ΚΠ 1866 Sun. Mag. 1 Oct. 42/2 Besides this morphological reason for the immense variety of leaf-shapes, there are also teleological and geographical reasons. 1909 E. Warming et al. Oecol. Plants iii. xxviii. 99 The properties of water bring forth leaf-shapes entirely different from those of land-plants. 1946 Nature 13 July 64/1 When a leaf-shape is transferred from a late to an early flowering species the action of the gene is accelerated. 2006 A. G. van der Valk Biol. Freshwater Wetlands iv. 67 Changes in leaf shape, size, and thickness and petiole or leaf/shoot length are common in facultatively heterophyllous species. This entry has been updated (OED Third Edition, September 2016; most recently modified version published online March 2022). < n.1804
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