a. Nat. Hist. [mod. f. L. type *cultriformis, f. cultr- knife: see -FORM.] Shaped like a knife or coulter.

1

1826.  Kirby & Sp., Entomol. (1828), IV. 162. The saw of some saw-flies is cultriform.

2

1846.  Dana, Zooph. (1848), 169. Cultriform lamellæ.

3