oyster in Finnish

Any of certain marine bivalve mollusks, especially those of the family Ostreidae (the true oysters), usually found adhering to rocks or other fixed objects in shallow water along the seacoasts, or in brackish water in the mouth of rivers.

A pale beige color tinted with grey or pink, like that of an oyster.

A pale beige color tinted with grey or pink, like that of an oyster.

(colloquial, by analogy) A person who keeps secrets.

(colloquial, by analogy) A person who keeps secrets.