oyster Definition

oyster
noun

1. The common name for a family of marine bivalve mollusc with a soft fleshy body enclosed by a hinged shell, the fleshy part being a popular seafood.
2. Any of several similar related molluscs such as the pearl oyster.
3. The pale greyish beige or pink colour of an oyster.
4. An oyster-shaped piece of meat found in the hollow of the pelvic bone of a fowl, especially a chicken.
5. colloq
A reserved or secretive person.

verb

intr
oystered, oystering
1. To fish for or gather oysters.

Idiom: the world is your oyster (the world is his etc oyster)

Anything you, he, etc need or want is yours for the taking; you can go anywhere and do anything.

Etymology: 14c: from French huistre, from Greek ostreon.