constrictor

constrictor

1. any of various nonvenomous snakes, such as the pythons, boas, and anaconda, that coil around and squeeze their prey to kill it

2. Anatomy any muscle that constricts or narrows a canal or passage; sphincter

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

constrictor

[kən′strik·tər]

(aerospace engineering)

The exit portion of the combustion chamber in some designs of ramjets, where there is a narrowing of the tube at the exhaust.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.