# incisor

> English word · Noun · IPA /ɪnˈsaɪ.zə(ɹ)/ · frequency rank #73,293

## Definitions
1. A narrow-edged tooth at the front of the mouth of mammals, between the canines and adapted for cutting; in humans there are four in each jaw.

## Etymology
Borrowing from New Latin incīsor, from incīdō (“to cut into, cut through”) + -tor (“-er, -or”, agent noun suffix).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/incisor