Pronunciation: (kun-strik'tur), [key]
1. a snake that kills its prey by coiling tightly around it, causing suffocation.
2. Anat.a muscle that constricts a hollow part of the body, as the pharynx.
3. a person or thing that constricts.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.