incisor

noun

in·​ci·​sor in-ˈsī-zər 

: 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

Examples of incisor in a Sentence

Recent Examples on the Web

Their upper and lower incisors can grow about a sixteenth of an inch each week. — Kate Perez, USA Today, 1 Feb. 2026

The shot took out his top two incisors, wounded his face, and left him peppered with shrapnel. — Gabrielle Rockson, PEOPLE, 13 Apr. 2026

Because deer have no upper incisors, leaves and branches will look as if they were torn or ripped off. — Arricca Elin Sansone, Southern Living, 24 May 2026

The crew then floored the car, taking McGhehey's incisor with it. — Sezin Devi Koehler, Entertainment Weekly, 26 June 2026

Word History

First Known Use

1666, in the meaning defined above

Rhymes for incisor

• adviser
• advisor
• devisor
• divisor
• franchisor
• quantizer
• reviser
• revisor
• advertiser
• analyser
• analyzer
• appetizer

Kids Definition

incisor

noun

in·​ci·​sor in-ˈsī-zər 

: a front tooth for cutting

especially : one of the cutting teeth between the canines of a mammal

Medical Definition

incisor

noun

in·​ci·​sor in-ˈsī-zər 

: 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