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oyster

 - 4 dictionary results

oys⋅ter

[oi-ster]
–noun
1. any of several edible, marine, bivalve mollusks of the family Ostreidae, having an irregularly shaped shell, occurring on the bottom or adhering to rocks or other objects in shallow water.
2. the oyster-shaped bit of dark meat in the front hollow of the side bone of a fowl.
3. Slang. a closemouthed or uncommunicative person, esp. one who keeps secrets well.
4. something from which a person may extract or derive advantage: The world is my oyster.
5. oyster white.
–verb (used without object)
6. to dredge for or otherwise take oysters.

Origin:
1325–75; ME oistre < MF < L ostrea < Gk óstreon; see ostracize
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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oys·ter   (oi'stər)   
n.  
    1. Any of several edible bivalve mollusks of the family Ostreidae, especially of the genera Crassostrea and Ostrea, that live chiefly in shallow marine waters and have a rough, irregularly shaped shell.

    2. Any of various similar or related bivalve mollusks, such as the pearl oyster.

    3. A special delicacy.

    4. Something from which benefits may be extracted.

  1. An edible bit of muscle found in the hollow of the pelvic bone of a fowl.

    1. A special delicacy.

    2. Something from which benefits may be extracted.

  2. Slang A close-mouthed person.

intr.v.   oys·tered, oys·ter·ing, oys·ters
To gather, dredge for, or raise oysters.

[Middle English oistre, from Old French, from Latin ostreum, ostrea, from Greek ostreon; see ost- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

oyster 
1357, from O.Fr. oistre (Fr. huître), from L. ostrea, pl. or fem. of ostreum "oyster," from Gk. ostreon, from PIE *ost- "bone" (see osseous). Related to Gk. ostrakon "hard shell" and to osteon "bone."
"Why then the world's mine Oyster, which I, with sword will open." [Shakespeare, "The Merry Wives of Windsor," II.ii.2]
Online Etymology Dictionary, © 2001 Douglas Harper
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Idioms & Phrases

oyster

see world is one's oyster.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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