incisors'

in·ci·sor

[in-sahy-zer]
noun Dentistry.
any of the four anterior teeth in each jaw, used for cutting and gnawing.

Origin:
1665–75; < Neo-Latin: literally, cutter, equivalent to Latin incīd(ere) to incise + -tor -tor, with -dt- > -s-

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World English Dictionary
incisor (ɪnˈsaɪzə) [Click for IPA pronunciation guide]
 
n
a chisel-edged tooth at the front of the mouth. In man there are four in each jaw

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Incisors' is always a great word to know.
So is ort. Does it mean:
a scrap or morsel of food left at a meal.
a fool or simpleton; ninny.
Etymonline
Word Origin & History

incisor
"cutting tooth," 1672, from M.L. incisor, lit. "that which cuts into," from L. incisus, pp. of incidere (see incision).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

incisor in·ci·sor (ĭn-sī'zər)
n.
Any of the four teeth adapted for cutting or gnawing, having a chisel-shaped crown and a single conical root and located in the front part of both jaws in both deciduous and permanent dentitions.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
incisor   (ĭn-sī'zər)  Pronunciation Key 
A sharp-edged tooth in mammals that is adapted for cutting or gnawing. The incisors are located in the front of the mouth between the canine teeth.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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