bullhorn
/ˈbʊlˌhɔrn/
noun
- A portable device shaped like a cone that makes a person's voice louder, used to address a crowd or over a distance.
- Protesters shouted slogans through a bullhorn so everyone could hear.
- The lifeguard grabbed a bullhorn to warn swimmers about the strong current.
- The coach used a bullhorn to give instructions to the players on the field.
Synonyms