"marine" in the noun sense
1. Marine, devil dog, leatherneck, shipboard soldier
a member of the United States Marine Corps
a soldier who serves both on shipboard and on land
"marine" in the adjective sense
of or relating to the sea
2. nautical, maritime, marine
relating to or involving ships or shipping or navigation or seamen
of or relating to military personnel who serve both on land and at sea (specifically the U.S. Marine Corps
relating to or characteristic of or occurring on or in the sea
native to or inhabiting the sea
"marine plants and animals such as seaweed and whales"
Source: WordNet® (An amazing lexical database of English)
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