Cultellus, li, m. g. Diminut. Var. A meat knife: a whittle.Purgare vngues cultello. Horat. To pare his nailes with hys knife.
Lewis and Short: Latin dictionary
cultello, no perf., ātum, 1, v. a. [cultellus]. I.To make in the shape of a knife: spinam dorsi, Plin. 8, 25, 38, 91; 32, 2, 5, 13 Sillig N. cr.—II.To level land by the coulter, Front. Limit. p. 43 Goes.