megaphone

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Related to Bull horn: bullhorn

megaphone

[′meg·ə‚fōn]
(acoustics)
A conical or rectangular horn used to amplify or direct the sound of a speaker's voice.
References in periodicals archive ?
10: The bull horn is sounded after a cordon has been put in place and the house surrounded.
Traditional bull horns and common hailers frustrate the user and listener with messages that are distorted and unclear.
And on that farm, they put in a brand new, exciting interior awash with cow prints, exposed wood and bull horns, E-I-E-I-O.
Secured behind police tape, the protesters used banners, balloons and bull horns to blast Bush on the War on Iraq, his handling of the environment and his energy policy.
Milts sells an assortment of rustic keepsakes and decorations, including bull horns, sheep skulls and Louisiana alligator heads.
Too many rallies and marches have the same set up--banners, posters, flags, puppets, bull horns, buttons, chanting--and way too many speakers.
Two Dow Theorists square off with their market prognoses and offer stocks to profit through a couple of strategies that could add bull horns to your portfolio.
The wrestlers entertained the crowd by raising their arms to imitate bull horns.
Armed with placards, flags, bull horns and just plain lung power, pro- and anti-China forces swarmed around MIT's Kresge auditorium, where Zhu delivered his address.
Saint Francis Memorial Hospital called police yesterday due to the excessively loud and disruptive behavior of picketers outside of the hospital, using bull horns, drums and whistles.