Longman Dictionary of Contemporary English homepage

loudspeaker

 noun
     
loudspeaker
Related topics: Communications, Broadcasting, Recording
loud‧speak‧er [countable]
1TCBTCR a piece of equipment used to make sounds louder
from/over/through a loudspeaker
The voice over the loudspeaker (=using the loudspeaker) said the flight was delayed.
2TC a speaker (3)
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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