MEGAPHONE

megaphone

(noun) a cone-shaped acoustic device held to the mouth to intensify and direct the human voice

Source: WordNet® 3.1

Etymology 1

Noun

megaphone (plural megaphones)

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

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

Synonyms

• speaking trumpet

Hypernyms

• loudhailer, blowhorn

Hyponyms

• bullhorn, the modern electronic amplification version

Verb

megaphone (third-person singular simple present megaphones, present participle megaphoning, simple past and past participle megaphoned)

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

Etymology 2

Noun

megaphone (uncountable)

(organic compound) a cytotoxic neolignan obtained from the laurel Aniba megaphylla.

Source: Wiktionary

Meg"a*phone, n. Etym: [Mega- + Gr.

Definition: A device to magnify sound, or direct it in a given direction in a greater volume, as a very large funnel used as an ear trumpet or as a speaking trumpet.

Source: Webster’s Unabridged Dictionary 1913 Edition