offshore (Adjective) — (of winds) coming from the land. ex. "offshore winds"
offshore (Adjective) — At some distance from the shore. ex. "offshore oil reserves" ex. "an offshore island"
offshore (Adjective) — Located in another country, esp. one having low rates of tax. ex. "an offshore bank account"
offshore (Adverb) — Away from shore; away from land. ex. "cruising three miles offshore"