| Incisor 1. (n.) One of the teeth in front, adapted for cutting. 2. (a.) Adapted for cutting; of or pertaining to the incisors; incisive; as, the incisor nerve; an incisor foramen; an incisor tooth. Thesaurus Entries baby tooth, bicuspid, bucktooth, canine, crown, cuspid, cutter, deciduous tooth, dent, denticle, denticulation, dentil, dentition, dogtooth, eyetooth, fang, fore tooth, gagtooth, gang tooth, gold tooth, grinder, milk tooth, molar, peg, permanent tooth, pivot tooth, premolar, scrivello, snag, snaggletooth, tooth, tush, tusk, wisdom tooth |