1. incisor - Noun
2. incisor - Adjective
One of the teeth in front of the canines in either jaw; an incisive tooth. See Tooth.
Adapted for cutting; of or pertaining to the incisors; incisive; as, the incisor nerve; an incisor foramen; an incisor tooth.
Source: Webster's dictionaryIncisors are retained by carnivorans and the third incisor is commonly large and sharp (canine-like). Source: Internet
Much of the incisor can be seen externally, while the rest is fastened to a socket in the skull. Source: Internet
Rabbits have two sets of incisor teeth, one behind the other. Source: Internet
The incisor teeth meet with the thick hard dental pad of the upper jaw. Source: Internet