a In the main part of a country or region, as opposed to on one of its islands.
a (chiefly|in the UK) Characteristic of the style of continental Europe, as opposed to British.
n Someone from "the continent".
n (US History) A member of the Continental army.
n (US History) Paper scrip (paper money) issued by the continental congress, largely worthless by the end of the war (hence the expression "not worth a continental")