adjective
1.
of or relating to the sea
marine biology
Synonyms: maritime, oceanic, thalassic
Related Word: hydrographic, oceanographic; abyssal, bathyal, bathybic, bathysmal, benthic, dipsey, neritic, pelagic; aquatic, fluvial, fluviatile, lacustrine
2.
of or relating to the navigation of the sea
marine charts and maps
Synonyms: maritime, nautical, navigational
Related Word: naval; seamanlike, seamanly; deep-sea, oceangoing, seafaring, seagoing