part of a country surrounded by foreign soil
• (n.) A portion of a country which is separated from the main part and surrounded by politically alien territory.
An outlying, detached portion of a gland or other part, such as the thyroid or pancreas; an accessory gland. ... Origin: L. Ex, out, + -clave (in enclave) ... (05 Mar 2000) ... 
(eks´klāv) a detached part of an organ. The accessory thyroid is an exclave of the thyroid.
Ex·clave' noun [ Formed from enclave by substitution of ex- for en- ] A portion of a country which is separated from the main part and surrounded by politically alien territory. [ Recent.] » The same territory is an enclave in respect to the surrounding country and an...
Type: Term Pronunciation: eks′klāv Definitions: 1. An outlying, detached portion of a gland or other part, such as the thyroid or pancreas; an accessory gland.
a portion of a country geographically separated from the main part by surrounding alien territory: West Berlin was an exclave of West Germany.