Definition of: enclave

(en′klāv) noun
1. Part of a country surrounded by the territory or possessions of a foreign government, as East Prussia after World War I.
2. A substance removed from its normal place in the body and enclosed in another organ or tissue. Also en·cla′vure (-klā′vyər).
—v.t. ·claved, ·clav·ing To surround, as a region or country, with the territories of another country. [<F <enclaver enclose <LL inclavare <in- in + clavis key]