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Date: 1300-1400
Language: Old French
Origin: oistre, from Latin, from Greek ostreon

oyster

noun
     
oyster
Related topics: Food Dish
oy‧ster [countable]
1DFF a type of shellfish that can be eaten cooked or uncooked, and that produces a jewel called a pearl
2

the world is your oyster

used to tell someone that they can achieve whatever they want

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