speaker

One who speaks.

A spokesperson.

One who delivers a public speech.

The presiding officer of a legislative assembly.

A device that converts electric signals to audible sound.

One who speaks or utters words; one who talks or converses; one who mates a speech or an address; specifically, one who engages in or practises public speaking.

A proclaimer; a publisher.

The title of the presiding officer in the British House of Commons, in the House of Representatives in the Congress of the United States, in the lower houses of State legislatures in the United States, and in British colonial legislatures; also of the Lord Chancellor of Great Britain as presiding officer of the House of Lords.

A title, and hence a general name, for a book containing selections for practice in declamation, as at school.