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

The incisors are laminated and made up of many layers. —Carl R. Gold, Baltimore Sun, 19 Feb. 2025

For their experiment, the researchers took six two-year-old adult mini pigs and surgically extracted their third incisor and first premolar teeth. —Mack Degeurin, Popular Science, 7 Feb. 2025

But once again, the look is accentuated with Carrey’s quiet flashes of icky yellow incisors. —Nicholas Quah, Vulture, 8 Oct. 2024

Because deer have no upper incisors, leaves and branches will look as if they were torn or ripped off. —Arricca Elin Sansone, Southern Living, 2 Nov. 2024

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