oyster
//ˈɔɪstər//
Noun
oysterSingular
oystersPlural
1
A marine bivalve mollusk with a rough irregular shell, often eaten as seafood and sometimes containing pearls.
We ordered fresh oysters at the seafood restaurant.
2
The edible flesh of an oyster, typically eaten raw or cooked.
He ordered fresh oysters on the half shell.
3
Something from which advantage or profit can be extracted (used in the phrase 'the world is your oyster').
With your talent and education, the world is your oyster.