constrictor

[kuhn-strik-ter]
noun
1.
a snake that kills its prey by coiling tightly around it, causing suffocation.
2.
Anatomy. a muscle that constricts a hollow part of the body, as the pharynx.
3.
a person or thing that constricts.

Origin:
1700–10; < Neo-Latin; see constrict, -tor

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World English Dictionary
constrictor (kənˈstrɪktə)
 
n
1.  any of various nonvenomous snakes, such as the pythons, boas, and anaconda, that coil around and squeeze their prey to kill it
2.  any muscle that constricts or narrows a canal or passage; sphincter
3.  a person or thing that constricts

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

constrictor con·stric·tor (kən-strĭk'tər)
n.
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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Example sentences
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.
Image for constrictor
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