[meg-uh-fohn] 
noun, verb, -phoned, -phon⋅ing.| 1. | a cone-shaped device for magnifying or directing the voice, chiefly used in addressing a large audience out of doors or in calling to someone at a distance. Compare bull horn. |
| 2. | to transmit or speak through or as if through a megaphone. |
| meg·a·phone (měg'ə-fōn') n. A funnel-shaped device used to direct and amplify the voice. tr. & intr.v. meg·a·phoned, meg·a·phon·ing, meg·a·phones To transmit (a message) or speak through or as if through a funnel-shaped voice amplification device. meg'a·phon'ic (-fŏn'ĭk) adj., meg'a·phon'i·cal·ly adv. |
əˌfoʊn