from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A tooth adapted for cutting or gnawing, located at the front of the mouth along the apex of the dental arch.

from The Century Dictionary.

  • noun pl. incisors, incisores (-sorz, in-sī-sō′ rēz). In anatomy and zoology, an incisive or cutting tooth; a front tooth; any tooth of the upper jaw which is situated in the premaxillary or intermaxillary bone, or any corresponding tooth of the lower jaw.
  • Same as incisorial: as, an incisor tooth.
  • Of or pertaining to the incisor teeth: as, incisor nerves.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Anat.) One of the teeth in front of the canines in either jaw; an incisive tooth. See tooth.
  • adjective Adapted for cutting; of or pertaining to the incisors; incisive

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun One of the front teeth of mammals, between the canines.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a tooth for cutting or gnawing; located in the front of the mouth in both jaws


from Wiktionary, Creative Commons Attribution/Share-Alike License

From New Latin incisor, from Latin incisus + -or.



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