Used other than as an idiom: see body, of, water.(noun)
Any significant accumulation of water, usually covering the Earth or another planet, such as a river, lake or a bay.(noun)
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Use "body of water" in a sentence
"Further south in the Rift Valley is Lake Tanganyika, a long narrow body of water forming the boundary between Tanzania and Zaire."
"His main base was the Bay of Ambracia; this vast, rambling, almost landlocked body of water had a mouth into the Adriatic less than one mile wide."
"Between Sicily and the Italian mainland lies a body of water that is one of the worlds more dramatic and dangerous because of its fast current and treacherous riptides."