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
Lila Seidman, Los Angeles Times, 7 Mar. 2025
These days, the buildings are used for marine science education programs.
—Miami Herald Archives, Miami Herald, 7 Mar. 2025
Bill Springer, Forbes, 27 Feb. 2025
Her Lieutenant Joanne Galloway is the beating heart of the film, ensuring that justice for the two marines accused of murder doesn’t get lost among the pissing contest between Cruise’s cocky lawyer, Lieutenant Daniel Kaffee, and Nicholson’s megalomaniacal Colonel Nathan Jessup.
—Eddie Mouradian, Vulture, 24 Feb. 2025
See All Example Sentences for marine
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Adjective
During his first term, President Trump sharply reduced the boundaries of two monuments in Utah — Bear’s Ears and Grand Staircase-Escalante — and stripped protections from a marine monument off the coast of New England to allow commercial fishing.
—Lila Seidman, Los Angeles Times, 7 Mar. 2025
These days, the buildings are used for marine science education programs.
—Miami Herald Archives, Miami Herald, 7 Mar. 2025
Noun
The venture’s immediate goal is to establish a competitive platform that expands the presence of Nautor Swan yachts in the US while supporting American Magic’s ongoing mission to grow the sport and marine industry in the region.
—Bill Springer, Forbes, 27 Feb. 2025
Her Lieutenant Joanne Galloway is the beating heart of the film, ensuring that justice for the two marines accused of murder doesn’t get lost among the pissing contest between Cruise’s cocky lawyer, Lieutenant Daniel Kaffee, and Nicholson’s megalomaniacal Colonel Nathan Jessup.
—Eddie Mouradian, Vulture, 24 Feb. 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 Mar. 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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