marine (Noun) — (military) a member of the United States Marine Corps.
marine (Noun) — A soldier who serves both on shipboard and on land.
marine (Adjective) — Of or relating to the sea. ex. "marine explorations"
marine (Adjective) — Relating to or involving ships or shipping or navigation or seamen. ex. "marine insurance"
marine (Adjective) — Of or relating to military personnel who serve both on land and at sea (specifically the U.S. Marine Corps). ex. "marine barracks"
marine (Adjective) — Relating to or characteristic of or occurring on or in the sea.
marine (Adjective) — Native to or inhabiting the sea. ex. "marine plants and animals such as seaweed and whales"