Definition of: marine

(mə·rēn′) adjective
1. Of or pertaining to the sea or matters connected with the sea; maritime.
2. Native to, existing in, or formed by the sea.
3. Intended for use at sea or in navigation; nautical; naval: marine currents, marine law, a marine almanac.
4. Employed on shipboard. See synonyms under NAUTICAL.
—noun
1. A soldier trained for service at sea and on land; a member of the Marine Corps: also Marine.
2. Shipping, or shipping interests generally. See MERCHANT MARINE.
3. A picture or painting of the sea. [<OF marin <L marinus <mare, maris a sea]