[kuh n-strik-ter]


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

From New Latin, dating back to 1700–10; see origin at constrict, -tor Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for constrictor

Historical Examples of constrictor

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

Word Origin and History for constrictor

1735, agent noun in Latin form from constrict.

Online Etymology Dictionary, © 2010 Douglas Harper

constrictor in Medicine




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.