off‧shore /ˌɒfˈʃɔː◂ $ ˌɒːfˈʃɔːr◂/ adjective

1. in or under the sea and not far from the coast ⇒ inshore, onshore:
offshore oil fields
an offshore island

2. offshore banks/companies/investments etc banks etc that are based abroad in a country where you pay less tax than in your home country:
offshore financial centres

3. offshore wind/current etc a wind etc that is blowing or moving away from the land Antonym : onshore
—offshore adverb:
a boat anchored offshore

[TahlilGaran] Dictionary of Contemporary English ▲