Definition of oyster bay:
(n) :
A town, hamlet, and census-designated place therein, in Nassau County, Long Island, New York, United States.
(n) :
An inlet in Nassau County, New York.
(n) :
A bay in Puget Sound, Mason County and Thurston County, Washington, United States.
(n) :
A suburb of Sydney, in Sutherland Shire, New South Wales, Australia.
(n) :
A coastal hamlet and resort in Eastern Cape province, South Africa.
(n) :
A neighbourhood of Dar es Salaam, Tanzania.