speaker

1. (politics) The chair or presiding officer of certain legislative bodies, such as the U.K. House of Commons or the U.S. House of Representatives.

2. (US) A book containing passages of text for use in speeches.US

3. (especially in linguistics) The producer of a given utterance, whether speech or text.Examples: "The speaker spelled out the words to be communicated, letter by letter, while the reader's hand read the speaker's message. In its original form the hand alphabet assumed that both speaker and reader could already speak and spell the words ..."especially

4. (especially in linguistics) The producer of a given utterance, whether speech or text.Examples: "Popular culture often incorrectly attributes quotes from the speakers of poems or songs to the authors thereof, as when "I took the one less traveled by" is attributed to Robert Frost rather than to the speaker in Frost's "The Road Not Taken"."especially

5. (music) A key on a woodwind instrument of the clarinet family (compare octave key on other instruments) which induces the instrument to overblow.

6. (archaic) A wooden pole or spike used by hedgers to carry loads on their shoulders. Possibly Dorset dialect.Examples: "With a speäker, or stake, he tossed the outlying scraps of fuel on the into the conflagration."archaic