Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun loud_hailer
1 sense of loud hailer
Sense 1
bullhorn, loud hailer, loud-hailer -- (a portable loudspeaker with built-in microphone and amplifier)
=> loudspeaker, speaker, speaker unit, loudspeaker system, speaker system -- (electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance)