bullhorn

or bull horn

[ boo l-hawrn ]
/ ˈbʊlˌhɔrn /

noun

a directional, high-powered, electrical loudspeaker or megaphone.

Origin of bullhorn

First recorded in 1950–55; bull1 + horn

Example sentences from the Web for bullhorn

British Dictionary definitions for bullhorn

bullhorn
/ (ˈbʊlˌhɔːn) /

noun

US and Canadian a portable loudspeaker having a built-in amplifier and microphone Also called (in Britain and certain other countries): loud-hailer