cultriformadj.

Brit.

/ˈkʌltrᵻfɔːm/, U.S.

/ˈkəltrəˌfɔrm/

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

Etymology: < post-classical Latin cultriformis (1722 or earlier with reference to mollusc shells; 1646 or earlier in a medical context) < classical Latin cultr- , culter knife (see coulter n.) + -formis -form comb. form².

Zoology.

Shaped like a knife or ploughshare; = cultrate adj.

ΚΠ

1798 W. Kirby in Trans. Linn. Soc. 4 212 Outside of one of the upper valves, cultriform and acute.

1826 W. Kirby & W. Spence Introd. Entomol. (1828) IV. 162 The saw of some saw-flies is cultriform.

1846 J. D. Dana U.S. Exploring Exped.: Zoophytes 169 Cultriform lamellæ.

1905 Jrnl. Geol. (Chicago) 13 574 The parasphenoid resembles that of Metoposaurus, but differs from it in the rounded posterior part and the slender cultriform process.

1962 J. G. Needham & P. R. Needham Guide Study Fresh-water Biol. (ed. 5) 45 Dorsal abdominal hooks sharp, flat and cultriform.

1991 Nature 24 Jan. 324/2 Procolophonids and testudines form a monophyletic group that excludes all other amniotes because..the cultriform process is greatly reduced in length.

This entry has been updated (OED Third Edition, September 2013; most recently modified version published online March 2022).

单词	cultriform
释义	cultriformadj. Brit. /ˈkʌltrᵻfɔːm/, U.S. /ˈkəltrəˌfɔrm/ Origin: A borrowing from Latin. Etymon: Latin cultriformis. Etymology: < post-classical Latin cultriformis (1722 or earlier with reference to mollusc shells; 1646 or earlier in a medical context) < classical Latin cultr- , culter knife (see coulter n.) + -formis -form comb. form². Zoology. Shaped like a knife or ploughshare; = cultrate adj. ΚΠ 1798 W. Kirby in Trans. Linn. Soc. 4 212 Outside of one of the upper valves, cultriform and acute. 1826 W. Kirby & W. Spence Introd. Entomol. (1828) IV. 162 The saw of some saw-flies is cultriform. 1846 J. D. Dana U.S. Exploring Exped.: Zoophytes 169 Cultriform lamellæ. 1905 Jrnl. Geol. (Chicago) 13 574 The parasphenoid resembles that of Metoposaurus, but differs from it in the rounded posterior part and the slender cultriform process. 1962 J. G. Needham & P. R. Needham Guide Study Fresh-water Biol. (ed. 5) 45 Dorsal abdominal hooks sharp, flat and cultriform. 1991 Nature 24 Jan. 324/2 Procolophonids and testudines form a monophyletic group that excludes all other amniotes because..the cultriform process is greatly reduced in length. This entry has been updated (OED Third Edition, September 2013; most recently modified version published online March 2022). < adj.1798
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