Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “marine”

marine

adjective [before noun] uk   /məˈriːn/ us  
related to the sea or sea transport: The oil slick seriously threatens marine life around the islands. Marine biologists are concerned about the effects of untreated sewage that is flowing into coastal waters. One plane, a marine F18, was lost in the raid. The Central harbour area will be closed to all marine traffic from 3.45 p.m. to 4.30 p.m.
See also
Seas and oceans

marine

noun [C] uk   /məˈriːn/ us  
a soldier who works closely with the navy and is trained especially for military operations on land that begin from the seaSoldiers and people who fight in wars
(Definition of marine from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of marine?
Add Cambridge dictionaries to your browser to your website

Definitions of “marine” in other dictionaries

Word of the Day

scrumpy

an alcoholic drink made from apples

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More