: a front tooth typically adapted for cutting; especially : one of the cutting teeth in mammals located between the canines when canines are present — see tooth illustration
First Known Use of INCISOR
in·ci·sor noun \in-ˈsī-zər\ (Medical Dictionary)
: a front tooth adapted for cutting; especially : any of the eight cutting human teeth that are located between the canines with four in the lower and four in the upper jaw
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