constrictor

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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

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.
References in periodicals archive ?
A Cuban Boa constrictor is on the loose in County Durham.
Within six seconds of looping around an anesthetized lab rat, a boa constrictor squeezes enough to halve blood pressure in a rear-leg artery.
In November, a live, 2 1/2-foot-long rainbow boa constrictor was found on a sidewalk in Honolulu's Chinatown.
In captivity, boa constrictors are fed mice, rats and chicks.
It is thought to be a rat snake, which is a type of constrictor that is not venomous - although Cardiff Reptile Centre's Anthony Antonio said it would be able to give a "nasty bite" if disturbed.
The scientists used rats to entice their captive Boa constrictor to attack.
The boa constrictor, which is small by comparison, grows to be about 4 meters long.
Meanwhile, Kent residents have been warned by police not to approach a 6ft pet boa constrictor on the loose after escaping from its owner's house.
No other snakes have legs snakes - such as pythons and boa constrictors - do have nub-like legs beneath their skins.
Mr McFarland, 48, stressed the non-poisonous constrictor posed no public threat.
Kids ages 6-8 in grades 1-3 will find this elementary primer on boa constrictors adds to Enslow's 'Zoom in on Animals' series with a little over twenty easy pages of bright information.
This research shows that brevetoxins are potent airway constrictors, triggering several physiological pathways.