In politics the Speaker is the presiding officer in numerous legislative bodies. The peripheral that reproduces speech and/or music. Understand: computer speaker A loudspeaker is an electronic device used to transform varying electric current into audible healthy. In linguistics, a speaker is the utterer of a message, & is usually the center of deixis in the message. a speaker is referred by using the 1st-human pronoun by himself or herself. Also within linguistics, the speaker occurs as user of the spoken language, as opposed to the signer, the user of the sign language. the speaker can as well become person returning a speech, or lecture, see as well public speaking.