valve

noun
\ ˈvalv How to pronounce valve (audio) \

Definition of valve

1a : 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
2 [borrowed from Medieval Latin valva, going back to Latin] : a bodily structure (such as the mitral valve) that closes temporarily a passage or orifice or permits movement of fluid in one direction only
3 [borrowed from New Latin valva, going back to Latin] : one of the distinct usually hinged and movable pieces of which the shell of some shell-bearing animals (such as lamellibranch mollusks, brachiopods, and barnacles) consists
4 [borrowed from New Latin valva, going back to 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
5 archaic : a leaf of a folding or double door

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Other Words from valve

valved \ ˈvalvd How to pronounce valve (audio) \ adjective
valveless \ ˈvalv-​ləs How to pronounce valve (audio) \ adjective

Synonyms for valve

Synonyms

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Examples of valve in a Sentence

They turned off the main water valve to the house.
Recent Examples on the Web Fighting feels good and Aries knows all about it, but with Saturn forming a square to Uranus and a trine to Mars, our anger is a sacred release-valve that predates the necessary and slow work of taking a whole structure apart, piece by piece. Gala Mukomolova, refinery29.com, "Your Horoscope This Week: March 21, 2021," 22 Mar. 2021 The hearty laugh that followed offered a glimpse beyond the curtain of a person who balances being an unrelenting, unflappable competitor with the ability to hit the pressure-release valve. San Diego Union-Tribune, "Column: Kaillie Humphries navigates controversy to become world’s best female bobsledder," 22 Feb. 2021 The daughter of Iranian immigrants, Zabala moved to Berkeley in the ’90s with a church group and, as a young mother, found a release valve in performing ’80s pop songs at karaoke. San Francisco Chronicle, "Oakland’s Alley doesn’t miss a beat going virtual," 24 Jan. 2021 Siem de Jong and Haris Medunjanin bossed the midfield for most of their time together on the field, with Frankie Amaya serving as a release valve. Pat Brennan, The Enquirer, "FC Cincinnati is still seeking goals while defense delivers against Chicago Fire FC," 3 Sep. 2020 The vapor, caused by a pressure release valve triggered by an accident on Feb. 4, came three days after the Limetree Bay refinery reopened for the first time in nearly a decade, and the incident prompted the Biden administration to investigate. Anchorage Daily News, "After oil rained onto a U.S. Virgin Islands community, Biden pulls a refinery’s key permit," 26 Mar. 2021 Obanor had putbacks and was frequently an open relief valve if Abmas was pressured, standing at the top of the key for another 3-point attempt. Stephen Means, cleveland, "Why was Ohio State basketball upset in the first round of the NCAA Tournament?," 19 Mar. 2021 Love, a floor-spacing, versatile release valve, should help in all these areas. Chris Fedor, cleveland, "Cleveland Cavaliers getting reminder of Kevin Love’s inherent value -- even if they don’t need it," 13 Feb. 2021 The primary bathroom offers a drop-in spa tub, a large pass-through dual-valve shower with a seat, a cultured marble countertop with dual sinks, Delta plumbing fixtures and a special ceiling design. Dallas News, "Winston Custom Homes offers modern farmhouse located near Joe Pool Lake," 31 Jan. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'valve.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of valve

14th century, in the meaning defined at sense 5

History and Etymology for valve

Middle English, "leaf of a folding door," borrowed from Latin valva (usually in plural valvae) "double or folding door, leaf of such a door," perhaps going back to an early derivative of the base of volvere "to roll, make turn" — more at voluble

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Time Traveler for valve

Time Traveler

The first known use of valve was in the 14th century

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Statistics for valve

Last Updated

10 Apr 2021

Cite this Entry

“Valve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/valve. Accessed 19 Apr. 2021.

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More Definitions for valve

valve

noun

English Language Learners Definition of valve

: a mechanical device that controls the flow of liquid, gas, etc., by opening and closing
: a device in some musical instruments (such as trumpets) that you press to play different notes
medical : a structure in the heart, stomach, etc., that temporarily stops the flow of fluid or that allows fluid to move in one direction only

valve

noun
\ ˈvalv How to pronounce valve (audio) \

Kids Definition of valve

1 : a structure in the body that temporarily closes to prevent passage of material or allow movement of a fluid in one direction only a heart valve
2 : a mechanical device by which the flow of liquid, gas, or loose material may be controlled by a movable part
3 : a device on a brass musical instrument that changes the pitch of the tone
4 : one of the separate pieces that make up the shell of some animals (as clams) and are often hinged

valve

noun
\ ˈvalv How to pronounce valve (audio) \

Medical Definition of valve

1 : a bodily structure (as the mitral valve) that closes temporarily a passage or orifice or permits movement of fluid in one direction only
2 : any of various mechanical devices by which the flow of liquid (as blood) 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

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