incisor
/ɪnˈsaɪ.zə(ɹ)/ noun
Forms incisors
- noun (anatomy, zootomy) A narrow-edged tooth at the front of the mouth of mammals, between the canines and adapted for cutting; in humans there are four in each jaw.
Etymology
Borrowed from New Latin incīsor, from Latin incīdō (“to cut into, cut through”) + -tor (“-er, -or”, agent noun suffix).
Webster’s 1913
- noun One of the teeth in front of the canines in either jaw; an incisive tooth. See Tooth.
- adjective Adapted for cutting; of or pertaining to the incisors; incisive; as, the incisor nerve; an incisor foramen; an incisor tooth.
Etymology [NL.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “incisor”, CC BY-SA 4.0. Details