'offshore' definitions:
Definition of 'offshore'
(from WordNet)
adverb
Away from shore; away from land; "cruising three miles offshore" [ant: onshore]
adjective
(of winds) coming from the land; "offshore winds" [syn: offshore, seaward] [ant: inshore, onshore, seaward, shoreward]
adjective
At some distance from the shore; "offshore oil reserves"; "an offshore island"