Look up: Oyster

1. 
   Oyster
   The oyster is a bivalve mollusc constituting the Ostreidae, or true oyster, family, having the upper valve flat, the lower concave, hinged by an elastic ligament. The mantle, lying against the shell, protects the inner body, which includes respiratory, digestive, and reproductive organs. Oysters commonly change their sex annually or more frequently; females may discharge up to a million eggs during a spawning period.
   Found on http://www.encyclo.co.uk/nol.php
   
   
2. 
   Oyster
   A bivalve mollusk with a rough gray shell. The flesh varies from creamy beige to pale gray; the flavor from salty to bland; the texture from tender to firm. The Atlantic or Eastern oysters are considered superior to Pacific varieties.
   Found on http://www.nutribase.com/fishmeat.shtml
   
   
3. 
   oyster
   [n] - a small muscle on each side of the back of a fowl 2. [n] - marine mollusks having a rough irregular shell 3. [v] - gather oysters, dig oysters
   Found on http://www.webdictionary.co.uk/definitio
   
   
4. 
   Oyster
   Oys'ter noun [ Old French oistre , French huître , Latin ostrea , ostreum , Greek 'o`streon ; probably akin to 'ostre`on bone, the oyster being so named from its shell. Confer Osseous , Ostracize .] 1. (Zoology) Any marine bivalve mollusk of the genus Ostrea. They are usually found adhering to rocks or other fixed obje ...
   Found on http://www.encyclo.co.uk/webster/O/63
   
   
5. 
   oyster
   1. <marine biology, zoology> Any marine bivalve mollusk of the genus Ostrea. They are usually found adhering to rocks or other fixed objects in shallow water along the seacoasts, or in brackish water in the mouth of rivers. The common European oyster (Ostrea edulis), and the American oyster (Ostrea Virginiana), are the most important species. ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
6. 
   oyster
   noun marine mollusks having a rough irregular shell; found on the sea bed mostly in coastal waters
   Found on http://wordnet.princeton.edu/perl/webwn?
   
   
7. 
   Oyster
   The common name `oyster` is used for a number of different groups of bivalve mollusks, most of which live in marine habitats or brackish water. The shell consists of two usually highly calcified valves which surround a soft body. Gills filter plankton from the water, and strong adductor muscles are used to hold the shell closed. Some of the groups known as oysters (true oysters) are highly prized as food, both raw and cooked, but some other gro...
   Found on http://en.wikipedia.org/wiki/Oyster
   
   
8. 
   Oyster
   • (n.) A name popularly given to the delicate morsel contained in a small cavity of the bone on each side of the lower part of the back of a fowl. • (n.) Any marine bivalve mollusk of the genus Ostrea. They are usually found adhering to rocks or other fixed objects in shallow water along the seacoasts, or in brackish water in the mouth of...
   Found on http://thinkexist.com/dictionary/meaning
   
   
9. 
   oyster
   any member of the families Ostreidae (true oysters) or Aviculidae (pearl oysters), bivalve mollusks found in temperate and warm coastal waters of ... [5 related articles]
   Found on http://www.britannica.com/eb/a-z/o/44
   
   
10. 
    oyster
    oyster, edible bivalve mollusk found in beds in shallow, warm waters of all oceans. The shell is made up of two valves, the upper one flat and the lower convex, with variable outlines and a rough outer surface. Since the oyster spends most of its life (except for the free-swimming larval stage) atta...
    Found on http://www.infoplease.com/ce6/sci/A08371