Noun
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the presiding officer of a deliberative assembly
"the leader of the majority party is the Speaker of the House of Representatives"
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electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
- speaker unit - loudspeaker system - speaker system -
someone who expresses in language
someone who talks (especially someone who delivers a public speech or someone especially garrulous)
"the speaker at commencement"
"an utterer of useful maxims"