Definition of megaphone noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈmeɡəfəʊn//
; NAmE NAmE//ˈmeɡəfoʊn//
Film-making equipment
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a device for making your voice sound louder, that is wider at one end, like a cone, and is often used at outside events compare loudhailer See related entries: Film-making equipment
See the Oxford Advanced American Dictionary entry: megaphone