Main Entry: in·ci·sor Pronunciation: in-'sI-z&r Function: noun : a front tooth adapted for cutting; especially: any of theeight cutting human teeth that are located between the canines with four in the lower and four in the upper jaw
incisor in·ci·sor (ĭn-sī'zər) n. Any of the four teeth adapted for cutting or gnawing, having a chisel-shaped crown and a single conical root and located in the front part of both jaws in both deciduous and permanent dentitions.