speaker (n.)

c. 1300, "one who speaks," agent noun from speak (v.). Similar formation in Old Frisian spreker, Old High German sprahhari, German Sprecher. First applied to "person who presides over an assembly" c. 1400, from similar use in Anglo-French (late 14c.) in reference to the English Parliament; later extended to the U.S. House of Representatives, etc. The electric amplifier so called from 1926, short for loud-speaker.

updated on April 03, 2014

Definitions of speaker from WordNet
speaker (n.)
someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous);
the speaker at commencement
Synonyms: talker / utterer / verbalizer / verbaliser
speaker (n.)
electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance;
Synonyms: loudspeaker / speaker unit / loudspeaker system / speaker system
Speaker (n.)
the presiding officer of a deliberative assembly;
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