Definition of "megaphone" in English

noun

1. A portable, usually hand-held, funnel-shaped device that is used to amplify a person’s natural voice toward a targeted direction.

2. (figuratively) Mouthpiece or promoter; one who speaks for or publicizes on behalf of another.

verb

1. (transitive, intransitive) To use a megaphone; to speak through a megaphone.

noun

1. (organic chemistry) A cytotoxic neolignan obtained from the laurel Aniba megaphylla.