constrictor(redirected from constrictor muscle)
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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
The exit portion of the combustion chamber in some designs of ramjets, where there is a narrowing of the tube at the exhaust.