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English definition of “mouth”

mouth

noun [C]     /maʊθ/
A1 the part of the face that is used for eating and speaking The head and face
mouth of a cave/tunnel, etc the opening or entrance of a cave/tunnel, etcCaves, cracks and crevicesHoles, hollows and dips
mouth of a river where a river goes into the sea → See also butter wouldn't melt in sb's mouthParts of watercourses
(Definition of mouth noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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