Definition of oyster
1a : any of various marine bivalve mollusks (family Ostreidae) that have a rough irregular shell closed by a single adductor muscle and include commercially important shellfishb : 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
Recent Examples of oyster from the Web
Some kinds of shellfish and fishery products, including lobsters and oysters, are exempt from these inspections.
Still, IMP belongs to sushi chefs, dozens of them sifting through upwards of 40 options (excluding oyster varieties) on the sales block amid near silence.
Depending on the market, a cultured oyster will fetch more than three times one that is pulled directly from the bay bottom.
On Sunday, the Acme Oyster House World Oyster Eating Championship takes place at 11:45 a.m. to 1 p.m. ACME Oyster House was the first to bring Major League Eating competitions to New Orleans, with its 15-year-old oyster-eating contest.
Likewise, oyster beds were scoured and permanently damaged, and shrimp populations were hit hard by the introduction of innovative seafood-harvesting methods like the seine net.
Borghani said the resort town was packed with people enjoying the beautiful weather and the city's oyster festival.
But the oyster population has been declining since 2009, despite the state's various attempts at restoration.
Her Uncle Peter was Peter Dent, who taught her how to chuck oysters in his gourmet food shop.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oyster'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology 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
OYSTER Defined for English Language Learners
Definition of oyster for English Language Learners
: a type of shellfish that has a rough shell with two parts and that is eaten both cooked and raw
OYSTER Defined for Kids
Definition of oyster for Students
: a shellfish that lives on stony bottoms (oyster beds) in shallow seawater, has a rough grayish shell made up of two hinged parts, and is often used for food
Seen and Heard
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