Meaning of VALVE in English

transcription, транскрипция: [ ˈvalv ]


Etymology: Latin valva; akin to Latin volvere to roll — more at voluble

Date: 14th century

1. archaic : a leaf of a folding or double door


[New Latin valva, from Latin]

: a bodily structure (as the mitral valve) that closes temporarily a passage or orifice or permits movement of fluid in one direction only


a. : any of numerous mechanical devices by which the flow of liquid, gas, or loose material in bulk may be started, stopped, or regulated by a movable part that opens, shuts, or partially obstructs one or more ports or passageways ; also : the movable part of such a device

b. : a device in a brass instrument for quickly channeling air flow through an added length of tube in order to change the fundamental tone by some definite interval

c. chiefly British : electron tube


[New Latin valva, from Latin]

: one of the distinct usually hinged and movable pieces of which the shell of some shell-bearing animals (as lamellibranch mollusks, brachiopods, and barnacles) consists


[New Latin valva, from Latin]

a. : one of the segments or pieces into which a dehiscing capsule or legume separates

b. : the portion of various anthers (as of the barberry) resembling a lid

c. : one of the two encasing membranes of a diatom

• valved ˈvalvd adjective

• valve·less ˈvalv-ləs adjective

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.