cultrate,a.Nat.Hist.|ˈkʌltrət| [ad. L. cultrātus, f.culter, cultr- knife, share: see -ate2 2.] Formed like a knife or coulter; having a sharp edge like a knife. 1856–8W. Clark Van der Hoeven's Zool. I. 387 Borer..included in a bivalve sheath, compressed, cultrate.Ibid. II. 378 Bill cultrate.