1
a
: of or relating to the sea
marine life
marine biology
b
: of or relating to the act or practice of sailing over the sea : nautical
a marine chart
c
: of or relating to the commerce (see commerce entry 1 sense 2) of the sea : maritime
marine law
d
: depicting the sea, seashore, or ships
a marine painter
2
: of or relating to marines (see marine entry 2 sense 2)
marine barracks
1
a
: the mercantile and naval shipping of a country
b
: seagoing ships especially in relation to nationality or class
2
: one of a class of armed services personnel serving on shipboard or in close association with a naval force
specifically
: a member of the U.S. Marine Corps
3
: an executive department (as in France) having charge of naval affairs
4
: a marine picture : seascape
Examples of marine in a Sentence
Adjective
marine animals such as dolphins and whales
he loves collecting little marine creatures while at the beach
Noun
He is a former U.S. Marine.
the U.S. Army, Navy, Air Force, and Marines
Recent Examples on the Web
Claire Poole, Forbes.com, 30 Mar. 2025
Little by little, limestone is deposited on the steel poles and at their base, creating an ideal habitat for corals and other shellfish and marine animals.
—Ian Urbina, Los Angeles Times, 28 Mar. 2025
New Atlas, 26 Mar. 2025
Guardian is the military's term for a member of the Space Force, comparable to airmen, sailors, soldiers, and marines.
—Ars Technica, 13 Mar. 2025
See All Example Sentences for marine
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Adjective
On the Brazilian coast, 25 million marine animals can be impacted each year.
—Claire Poole, Forbes.com, 30 Mar. 2025
Little by little, limestone is deposited on the steel poles and at their base, creating an ideal habitat for corals and other shellfish and marine animals.
—Ian Urbina, Los Angeles Times, 28 Mar. 2025
Noun
Nautic Expo View 6 Images View gallery - 6 images
For 50 years, Danish company Gori Propeller has been one of the foremost names in folding marine propellers used on sailboat auxiliary motor drives.
—New Atlas, 26 Mar. 2025
Guardian is the military's term for a member of the Space Force, comparable to airmen, sailors, soldiers, and marines.
—Ars Technica, 13 Mar. 2025
See All Example Sentences for marine
Cite this Entry
“Marine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/marine. Accessed 13 Apr. 2025.
Copy CitationKids Definition
marine
2 of 2 noun1
: the commercial and naval shipping of a country
2
: one of a class of soldiers serving aboard ship or in association with a naval force
especially
: a member of the U.S. Marine Corps
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