- a chisel-edged tooth at the front of the mouth. In humans there are four in each jaw
WordReference Random House Learner's Dictionary of American English © 2026
in•ci•sor /ɪnˈsaɪzɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Dentistryany of the four frontmost teeth in each jaw, used for cutting and gnawing.
in•ci•sor
(in sī′zər),USA pronunciation n. [Dentistry.]
- Dentistryany of the four anterior teeth in each jaw, used for cutting and gnawing. See illus. under tooth.
- Neo-Latin: literally, cutter, equivalent. to Latin incīd(ere) to incise + -tor -tor, with -dt-
-s- - 1665–75
Collins Concise English Dictionary © HarperCollins Publishers::
incisor /ɪnˈsaɪzə/ n
'incisor' also found in these entries (note: many are not synonyms or translations):
aye-aye
- rodent
- vampire bat
- anterior tooth
- diastema
- foretooth
- I, i
- incisory
- overbite
- underbite
- simplicidentate