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English definition of “delta”

delta

noun (RIVER)    /ˈdel.tə/ US  /-t̬ə/
[C] an area of low, flat land, sometimes shaped like a triangle, where a river divides into several smaller rivers before flowing into the sea: the Mississippi delta the delta of the NileParts of watercourses
(Definition of delta noun (RIVER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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