from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A portable audio system with speakers capable of producing loud sound.

from the GNU version of the Collaborative International Dictionary of English.

  • noun a large portable casette or compact disk player, usually having an integrated radio receiver. It typically has two (stereophonic) speakers, and can be adjusted to play at a high sound intensity, from which the name comes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A powerful portable audio system for listening collectively to recorded or broadcast sound.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a portable stereo


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