Definition of "disc jockey" [disc• jock•ey]

• An announcer who presents and comments on popular recorded music, especially on the radio; a DJ. (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.

• "Ricot Dupuy, a disc jockey at Radio Soleil d'Haiti in Brooklyn, answered calls from listeners seeking information about the devastation in Haiti."
• "As news of the devastation wrought by a powerful earthquake trickled out of Haiti on Tuesday evening, Ricot Dupuy, a disc jockey at Radio Soleil d'Haiti in Brooklyn, sat alone in his radio booth fielding a flurry of phone calls from local listeners."