Dictionary

oyster

noun, oys·ter often attributive \ˈis-tər\

: a type of shellfish that has a rough shell with two parts and that is eaten both cooked and raw

Full Definition of OYSTER

1
a :  any of various marine bivalve mollusks (family Ostreidae) that have a rough irregular shell closed by a single adductor muscle and include commercially important shellfish
b :  any of various mollusks resembling or related to the oysters
2
:  something that is or can be readily made to serve one's personal ends <the world was her oyster>
3
:  a small mass of muscle contained in a concavity of the pelvic bone on each side of the back of a fowl
4
:  an extremely taciturn person
5
:  a grayish-white color

Origin of OYSTER

Middle English oistre, from Anglo-French, from Latin ostrea, from Greek ostreon; akin to Greek ostrakon shell, osteon bone — more at osseous
First Known Use: 13th century

Rhymes with OYSTER

May 23, 2015
debouch Hear it
to emerge or cause to emerge
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