Noun

• S: (n) speaker, talker, utterer, verbalizer, verbaliser (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"
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) 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)
• S: (n) Speaker (the presiding officer of a deliberative assembly) "the leader of the majority party is the Speaker of the House of Representatives"