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English definition of “submarine”

submarine

noun [C]     /ˌsʌb.məˈriːn/ /ˈsʌb.mə.riːn/ (informal sub)
a ship that can travel underwater: a nuclear submarine a submarine base/commanderThe NavyPassenger, cargo and military shipsBoats and sailing craft
(Definition of submarine noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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