Marine Definition

mə-rēn

adjective

Of the sea or ocean.

Webster's New World

Inhabiting, found in, or formed by the sea.

Webster's New World

Relating to a system of oceanic habitats coextensive with the continental shelf, ranging from deep water to unprotected coastlines and characterized along its landward edge by exposure to wave action and tidal currents and by the absence of trees, shrubs, or emergent vegetation.

American Heritage

Of navigation on the sea; nautical.

Webster's New World

Of shipping by sea; maritime.

Webster's New World

Synonyms:

Antonyms:

Antonyms:
freshwater

noun

A soldier serving on a ship or at a naval installation.

American Heritage

A member of a marine military force.

Webster's New World

A member of the United States Marine Corps.

Webster's New World

Naval or merchant ships collectively; seagoing ships; fleet.

The merchant marine.

Webster's New World

In some countries, the department of government in charge of naval affairs.

Webster's New World

Synonyms:

Synonyms:
shipboard soldier
leatherneck
devil-dog

Other Word Forms of Marine

Noun

Singular:

marine

Plural:

marines

Origin of Marine

Recorded since c.1420, from Middle French marin, from Old French, from Latin marinus (“of the sea"), itself from mare (“sea"), from Proto-Indo-European *móri (“body of water, lake") (cognate with Old English mere (“sea, lake, pool, pond"), Dutch meer, German Meer, all from Proto-Germanic *mari).

From Wiktionary
Middle English marin, marine from Old French from Latin marīnus from mare sea mori- in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition