exclave

• POS: Noun
• HYPHEN: ex=clave

CIDE DICTIONARY

exclave, n. [Formed fr. 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.  [1913 Webster]
" The same territory is an enclave in respect to the surrounding country and an exclave with respect to the country to which it is politically attached."  [1913 Webster]

OXFORD DICTIONARY

exclave, n. a portion of territory of one State completely surrounded by territory of another or others, as viewed by the home territory (cf. ENCLAVE).

Etymology

EX-(1) + ENCLAVE