Definitions
1.NounA portable, usually hand-held, funnel-shaped device that is used to amplify a person’s natural voice toward a targeted direction.
2.NounMouthpiece or promoter; one who speaks for or publicizes on behalf of another.
3.VerbTo use a megaphone; to speak through a megaphone.
4.NounA cytotoxic neolignan obtained from the laurel Aniba megaphylla.