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[kuh n-strik-ter] /kənˈstrɪk tər/
a snake that kills its prey by coiling tightly around it, causing suffocation.
Anatomy. a muscle that constricts a hollow part of the body, as the pharynx.
a person or thing that constricts.
Origin of constrictor
1700-10; < New Latin; see constrict, -tor Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for constrictor
  • His neck was the lithe neck of a boa-constrictor, but glossy as with a sweat of oil.
  • To a boa constrictor, those beats are simply a sign that it hasn't finished killing yet.
  • These constrictor snakes were originally released by hobbyists when they outgrew their tanks.
  • He has also befriended an alligator, an ostrich, a bat and a boa constrictor.
  • Yesterday, they found the hanger-on: a six-foot-long boa constrictor, curled around the base of a bathtub.
British Dictionary definitions for constrictor


any of various nonvenomous snakes, such as the pythons, boas, and anaconda, that coil around and squeeze their prey to kill it
any muscle that constricts or narrows a canal or passage; sphincter
a person or thing that constricts
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for constrictor

1735, agent noun in Latin form from constrict.

Online Etymology Dictionary, © 2010 Douglas Harper
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constrictor in Medicine

constrictor con·stric·tor (kən-strĭk'tər)
One that constricts, especially a muscle that contracts or compresses a part or organ of the body.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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