cultriform,a.Nat.Hist.|ˈkʌltrɪfɔːm| [mod.f. L. type *cultriformis, f.cultr- knife: see -form.] Shaped like a knife or coulter. 1826Kirby & Sp.Entomol. (1828) IV. 162 The saw of some saw-flies is cultriform.1846Dana Zooph. (1848) 169 Cultriform lamellæ.