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Definition of incisor

incisor

/ɪnˈsaɪ.zɚ/
in · ci · sor
Plural:incisors
•
Adjective:incisive
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incisor Lexical Profile

incisor Game Scores & Validity

• noun

1

A narrow-edged tooth at the front of the mouth in mammals, adapted for cutting or gnawing food; in humans, there are four in the upper jaw and four in the lower jaw, situated between the canines.

Example

"Rodents such as beavers have chisel-like incisors that grow continuously throughout their lives to compensate for constant wear."

Synonyms
View all synonyms for incisor

• Rhymes for incisor

• Nearby Words

incisive
incisively
incisiveness
incisor
incite
incitement
inciter

Word Origin & Etymology

Borrowed in the late 17th century from Medieval Latin incisor ('cutter'), a shortening of dens incisor ('cutting tooth'), from Latin incidere ('to cut into'), formed from in- ('into') and caedere ('to cut').

Cite this Entry

Wordmom. (2026). Definition of Incisor. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/incisor
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