bivalve

adjective
bi·​valve | \ ˈbī-ˌvalv How to pronounce bivalve (audio) \

Definition of bivalve

 (Entry 1 of 2)

: being or having a shell composed of two valves

bivalve

noun

Definition of bivalve (Entry 2 of 2)

: any of a class (Bivalvia synonym Pelecypoda) of typically marine mollusks (such as clams, oysters, or scallops) that have a 2-valved hinged shell, are usually filter feeders, and lack a distinct head

Examples of bivalve in a Sentence

Noun clams, mussels, oysters, and other bivalves
Recent Examples on the Web: Adjective The town’s big, bivalve-themed bash, Wellfleet Oyster Fest, happens annually on the weekend after Columbus Day (Oct. 19 and 20 this year) along Main Street. BostonGlobe.com, 10 Oct. 2019 Deep-sea wood borers (Xylophaga, a genus of bivalve mollusks) take over where shallow water gribbles and shipworms left off. Brian Payton, Smithsonian, 9 Feb. 2018 In 2005, the oyster as aphrodisiac got a big boost as many consumer publications reported that bivalve mollusks (which include clams, oysters, mussels and scallops) had been found to have desire-inducing properties. Alicia Ault, Smithsonian, 13 Feb. 2017 While the lyric connotes cozy relations between the famously fertile shellfish of this bivalve capital, feelings among shellfishermen themselves are decidedly less friendly. Corey Kilgannon, New York Times, 30 June 2017 In 2005, the oyster as aphrodisiac got a big boost as many consumer publications reported that bivalve mollusks (which include clams, oysters, mussels and scallops) had been found to have desire-inducing properties. Alicia Ault, Smithsonian, 13 Feb. 2017 Recent Examples on the Web: Noun Maine’s coastline, crenellated with deep estuaries and bays fed by rivers mixing with cold ocean water that pumps nutrients up from below, may seem like a bivalve paradise. Ellen Ruppel Shell, Scientific American, 1 May 2022 Today, places that were once rich in oyster beds like the Chesapeake Bay on the US East Coast, San Francisco Bay, and Botany Bay near Sydney, populations of the bivalve have been decimated. Katie Hunt, CNN, 3 May 2022 Mook found a way to buffer seawater to protect the oysters growing in the indoor hatchery, a remarkable innovation that—though highly labor-intensive—may well catch on with other Maine bivalve farmers if acid levels continue to rise. Ellen Ruppel Shell, Scientific American, 1 May 2022 Biologists believe this cancer is one of the most lethal diseases among bivalve mollusks like quagga mussels. Lindsey Botts, The Arizona Republic, 25 Apr. 2022 Why should this helpless bivalve — captive in its shell until pried open and steamed, baked, minced, stuffed, and casinoed by humans — be happy? Richard Lederer, San Diego Union-Tribune, 16 Apr. 2022 Using the extremely high-definition photography, the team also detected bivalve fossil fragments in the statue of the same type found in oolite limestone from northern Italy, according to Live Science. David Kindy, Smithsonian Magazine, 31 Mar. 2022 Six scalloped, bivalve shells consorted wordlessly beneath a tiny makeshift pergola, its posts and trelliswork wrought from twigs. Laura Bannister, Vogue, 21 Mar. 2022 The bivalve-curious can head to restaurants like Dylan’s Oyster Cellar or True Chesapeake Oyster Co. in Hampden to watch expert shuckers at work. Christina Tkacik, baltimoresun.com, 7 Feb. 2022 See More

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

First Known Use of bivalve

Adjective

1661, in the meaning defined above

Noun

1683, in the meaning defined above

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Time Traveler for bivalve

Time Traveler

The first known use of bivalve was in 1661

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Dictionary Entries Near bivalve

bivalent

bivalve

Bivalvia

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Cite this Entry

“Bivalve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bivalve. Accessed 9 Aug. 2022.

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More Definitions for bivalve

bivalve

adjective
bi·​valve | \ ˈbī-ˌvalv How to pronounce bivalve (audio) \
variants: also bivalved \ -​ˌvalvd How to pronounce bivalve (audio) \

Medical Definition of bivalve

 (Entry 1 of 2)

: having or consisting of two corresponding movable pieces suggesting the shells of mollusks a bivalve speculum a bivalve cast

bivalve

transitive verb
bivalved; bivalving

Medical Definition of bivalve (Entry 2 of 2)

: to split (a cast) along one or two sides (as to relieve pressure)

More from Merriam-Webster on bivalve

Nglish: Translation of bivalve for Spanish Speakers

Britannica.com: Encyclopedia article about bivalve

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