Definition of "boom box" [boom box]

• Informal A portable audio system, usually consisting of a radio and a cassette or CD player, with speakers capable of producing loud sound. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Our self-anointed sous chef he received neither the title nor the money, Felix, had brought from home a boom box and set it in the kitchen."
• "A Little Night Music: Leave a boom box on the dresser with some CDs, or a custom-loaded iPod."
• "He grips his boom box under one arm, and he tromps to the bus stop as his other arm pistons into a January fog."