loudspeaker

Từ điển Oxford Advanced Learner 8th

loud·speak·er [loudspeaker loudspeakers] BrE [ˌlaʊdˈspiːkə(r)] NAmE [ˌlaʊdˈspiːkər] noun
1. a piece of equipment that changes electrical signals into sound, used in public places for announcing things, playing music, etc
•Their names were called over the loudspeaker.
see also ↑public address system, Tannoy
2. (old-fashioned)the part of a radio or piece of musical equipment that the sound comes out of
Syn: ↑speaker

Example Bank:
•Christmas songs blared from loudspeakers.
•Loudspeakers broadcast the football results.
•We heard the news over the loudspeaker.