speaker

UK: 'speaker', 'Speaker': /ˈspiːkə/ US: /ˈspikɚ/ ,(spē′kər)

WordReference Random House Learner's Dictionary of American English © 2025

speak•er /ˈspikɚ/   n. [countable]

1. one who speaks:
   a native speaker of Swahili.
2. one who speaks formally before an audience;
   lecturer:
   our main speaker for the evening.
3. Sound Reproduction a device that changes electric signals into sound waves;
   loudspeaker:
   huge hi-fi speakers blasting music.

WordReference Random House Unabridged Dictionary of American English © 2025

speak•er  (spē′kər), n. 

1. a person who speaks.
2. a person who speaks formally before an audience;
   lecturer;
   orator.
3. Government (usually cap.) the presiding officer of the U.S. House of Representatives, the British House of Commons, or other such legislative assembly.
4. Sound Reproduction Also called loudspeaker. an electroacoustic device, often housed in a cabinet, that is connected as a component in an audio system, its function being to make speech or music audible.
5. Rhetoric a book of selections for practice in declamation.
6. British Terms be or not be on speakers, See speaking (defs. 9, 10).

• 1275–1325; Middle English; see speak, -er¹

speak′er•ship′, n. 

Spea•ker  (spē′kər), n. 

1. Biographical Tris(tram E.), 1888–1958, U.S. baseball player.

Collins Concise English Dictionary © HarperCollins Publishers::

speaker / ˈspiːkə/ noun

1. a person who speaks, esp at a formal occasion
2. See loudspeaker

ˈspeakership noun

Collins Concise English Dictionary © HarperCollins Publishers::

Speaker / ˈspiːkə/ noun

1. the presiding officer in any of numerous legislative bodies, including the House of Commons in Britain and Canada and the House of Representatives in the US, Australia, and New Zealand