speaker
n 1: someone who talks (especially someone who delivers a public
speech) [syn: {talker}]
2: converts electrical signals into sounds loud enough to be
heard at a distance [syn: {loudspeaker}, {speaker unit}, {loudspeaker
system}, {speaker system}]
3: the presiding officer of a deliberative assembly; "the
leader of the majority party is the Speaker of the House
of Representatives"