An Encylopedia Britannica Company

marine

1 marine /məˈriːn/ adjective
1 marine
/məˈriːn/
adjective
Britannica Dictionary definition of MARINE
always used before a noun
: of or relating to the sea or the plants and animals that live in the sea
: of or relating to sailing on the sea or doing business (such as trading) by sea
2 marine noun
or Marine /məˈriːn/
plural marines
2 marine
noun
or Marine /məˈriːn/
plural marines
Britannica Dictionary definition of MARINE
[count]
: a member of the U.S. Marine Corps or the British Royal Marines

the Marines

: the part of a country's military forces that includes soldiers who serve on a ship or are closely associated with a naval force : the U.S. Marine Corps or the British Royal Marines