Definition of marine adjective from the Oxford Advanced Learner's Dictionary

     

    marine

     adjective
    adjective
    BrE BrE//məˈriːn//
     
    ; NAmE NAmE//məˈriːn//
     
    [only before noun] Coastlines and the sea, Travelling by boat or ship
     
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  1. 1connected with the sea and the creatures and plants that live there marine life a marine biologist (= a scientist who studies life in the sea) See related entries: Coastlines and the sea
  2. 2connected with ships or trade at sea See related entries: Coastlines and the sea, Travelling by boat or ship
  3. Word Origin Middle English (as a noun in the sense ‘seashore’): from Old French marin, marine, from Latin marinus, from mare ‘sea’.
See the Oxford Advanced American Dictionary entry: marine