speakerPronunciation: /ˈspiːkə/Translate speaker | into French | into German | into Italian | into Spanish Definition of speaker noun 1a person who speaks: language communication involves the interrelation between speaker and hearer a person who delivers a speech or lecture: our guest speaker will give an audio-visual presentation [usually with modifier or in combination] a person who speaks a specified language:he is a fluent English and French speaker 2 (Speaker) the presiding officer in a legislative assembly, especially the House of Commons. 3short for loudspeaker.the two speakers let the netbook feature stereo soundDerivatives speakership noun sense 2.speaker in other Oxford dictionaries Definition of speaker in the US English dictionary