adj. & n.
adj. 1 of, found in, or produced by the sea. 2 a of or relating to shipping or naval matters (marine insurance). b for use at sea.
n. 1 a country's shipping, fleet, or navy (mercantile marine; merchant marine). 2 a member of a body of troops trained to serve on land or sea. 3 a picture of a scene at sea. marine stores new or old ships' material etc. sold as merchandise. marine trumpet a large single-stringed viol with a trumpet-like tone. tell that to the marines (or horse marines) colloq. an expression of disbelief.
[ ME f. OF marin marine f. L marinus f. mare sea ]