• WordNet 3.6
    • adj bivalve used of mollusks having two shells (as clams etc.)
    • n bivalve marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
    • ***
Webster's Revised Unabridged Dictionary
    • Bivalve (Zoöl) A mollusk having a shell consisting of two lateral plates or valves joined together by an elastic ligament at the hinge, which is usually strengthened by prominences called teeth. The shell is closed by the contraction of two transverse muscles attached to the inner surface, as in the clam, -- or by one, as in the oyster. See Mollusca.
    • Bivalve (Bot) A pericarp in which the seed case opens or splits into two parts or valves.
    • a Bivalve (Zoöl. & Bot) Having two shells or valves which open and shut, as the oyster and certain seed vessels.
    • ***
Century Dictionary and Cyclopedia
    • bivalve Having two leaves or folding parts: as, a bivalve speculum.
    • bivalve In zoology, having two shells united by a hinge.
    • bivalve In botany, having two valves, as a seed-case.
    • n bivalve plural Folding doors.
    • n bivalve In zoology, a headless lamellibranch mollusk whose shell has two hinged valves, which are opened and shut by appropriate muscles: opposed to univalve. In rare cases, as Pholas, there are also accessory valves besides the two principal ones. See cut under accessory. Familiar examples are the oyster, scallop, mussel, etc. These belong to the asiphonate division of bivalves; the clam, cob, cockle, razor-shell, and many others are siphonate. The piddock belongs to the genus Pholas. The ship-worm, Teredo, is also technically a bivalve. See lamellibranch.
    • n bivalve In botany, a pericarp in which the seed-case opens or splits into two parts.
    • ***
Chambers's Twentieth Century Dictionary
    • n Bivalve bī′valv an animal having a shell in two valves or parts, like the oyster: a seed-vessel of like kind
    • adj Bivalve having two valves
    • ***


Webster's Revised Unabridged Dictionary
F. bivalve,; bi-,L. bis,) + valve, valve


In literature:

The first bivalve opened disclosed a pearl almost as large as a robin's egg.
"Adrift on the Pacific" by Edward S. Ellis
"Cooking and Dining in Imperial Rome" by Apicius
Here was the oyster-ground of the Romans, who loved the bivalves as well as their successors of to-day.
"England, Picturesque and Descriptive" by Joel Cook
Such Rockaways and other bivalves are to be found nowhere else.
"Phemie Frost's Experiences" by Ann S. Stephens
In half an hour he had deposited three pails of what seemed to be very fair bivalves in a pile near the fire.
"Motor Boat Boys Down the Coast" by Louis Arundel
Within the stomach, from top to bottom, there were thousands of a bivalve entomostracous crustacean.
"A Monograph on the Sub-class Cirripedia (Volume 1 of 2)" by Charles Darwin
The pursuit of them has been so eager and exhaustive that these bivalves have been nearly exterminated.
"The Pearl of India" by Maturin M. Ballou
Practically every island group in the central part of the ocean showed traces of the bivalves.
"To Choke an Ocean" by Jesse F. (Jesse Franklin) Bone
The old limestones contain great quantities of "lamp shells," which are old-fashioned bivalves.
"Earth and Sky Every Child Should Know" by Julia Ellen Rogers
He showed me also some beautiful large bivalves which had been brought up in the scrapers out of the coral.
"The English in the West Indies" by James Anthony Froude

In poetry:

Why the groove?
Why the lovely, bivalve roundnesses?
Why the ripple down the sphere?
Why the suggestion of incision?
"Peach" by D H Lawrence

In news:

Speedy Romeo Dishes Up Some Yummy Baked Bivalves.
The guides there pulled bivalves directly from the water, shucked and lightly dressed them before grilling them on a makeshift barbecue .
Second Friday in Bivalve .
Roasting is the first of many possibilities for the tasty bivalve.
Geoducks are large bivalves.
The giant clam is the world's largest bivalve.
Bivalves are mollusks with two convex halves, or shells, that hinge along one edge with the animal in between.
Attendees were able to see the remnants of bivalves and gastropods as well as learn about the various aspects of each shell.
Going waist deep for bivalve gold.
Last year was the Virginia oyster industry's best since 1989, a sign that sweeping regulations are helping restore the Chesapeake Bay's signature bivalve, state officials said Tuesday.
The affected shellfish are bivalve mollusks including oysters and clams , but not crabs or fin fish.
Pray for a seat at the copper-topped oyster bar and linger in the neon light that bathes those bodacious bivalves.
Seven West Coast oyster farmers offer places to shop, shuck, and enjoy these tasty bivalves.
Whatcom County health authorities have closed all beaches in the county to shellfish harvesting after the state department of health found high levels of red tide toxin in local bivalves.
The longer I work with bivalve shellfish, the more impressed I am with what a remarkable life form they are and what a key role they play in the wellbeing of both the planet and humankind.