Definition of “valve” - English Dictionary

british dictionary

(Definition of “valve” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“valve” in American English

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valvenoun [ C ]

us /vælv/

a device that controls the flow of air or liquid from one place to another:

a heart valve
The explosion apparently was caused by a faulty gas valve.

(Definition of “valve” from the Cambridge Academic Content Dictionary © Cambridge University Press)