speaker Meaning, Definition & Usage

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

WordNet

Speak"er noun
Definitions
  1. One who speaks. Specifically: (a) One who utters or pronounces a discourse; usually, one who utters a speech in public; as, the man is a good speaker, or a bad speaker. (b) One who is the mouthpiece of others; especially, one who presides over, or speaks for, a delibrative assembly, preserving order and regulating the debates; as, the Speaker of the House of Commons, originally, the mouthpiece of the House to address the king; the Speaker of a House of Representatives.
  2. A book of selections for declamation. U. S.

Webster 1913