Dictionary.com
Thesaurus.com
Synonyms

bivalve

American  
[bahy-valv] / ˈbaɪˌvælv /

noun

  1. Also called lamellibranchZoology. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills.


adjective

  1. Botany. having two valves, as a seedcase.

  2. Zoology. having two shells, usually united by a hinge.

  3. having two similar parts hinged together.

bivalve British  
/ ˈbaɪˌvælv /

noun

  1. Also: pelecypod.   lamellibranch.  any marine or freshwater mollusc of the class Pelecypoda (formerly Bivalvia or Lamellibranchia ), having a laterally compressed body, a shell consisting of two hinged valves, and gills for respiration. The group includes clams, cockles, oysters, and mussels

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. Also: pelecypod.   lamellibranch.  of, relating to, or belonging to the Pelecypoda

  2. Also: bivalvatebiology having or consisting of two valves or similar parts

    a bivalve seed capsule

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
bivalve Scientific  
/ bīvălv′ /
  1. Any of various mollusks of the class Bivalvia, having a shell consisting of two halves hinged together. Clams, oysters, scallops, and mussels are bivalves. The class Bivalvia is also called Pelecypoda, and was formerly called Lamellibranchia.

  2. Compare univalve


Other Word Forms

  • bivalvular adjective

Etymology

Origin of bivalve

First recorded in 1670–80; bi- 1 + valve

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Speaking of what makes up this most delicious and fragrant stew and despite the name, go on and include shellfish: crustaceans, mollusks or bivalves, anything you like.

From Salon

This would help them both bury themselves to avoid predators and sense the location of the bivalves upon which they prey.

From Salon

Native to rivers and creeks in China and Southeast Asia, the bivalves have appeared in waterways elsewhere in Asia as well as South American countries, including Brazil, Argentina, Uruguay and Paraguay.

From Los Angeles Times

Golden mussels, invasive freshwater bivalves that have devastated ecosystems and critical water infrastructure in other parts of the world, were recently discovered near the Port of Stockton.

From Los Angeles Times

Lucinids are marine bivalves that inhabit both the Caribbean and Pacific waters surrounding the Isthmus of Panama.

From Science Daily