Definition of "slot machine" [slot• ma•chine]

• A gambling machine operated by inserting coins into a slot and often by pulling down on a long handle. (noun)
• A vending machine operated by inserting coins into a slot. (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.

• "Established gambling companies also are preparing for an expected future of legal online gambling, including casino giants such as Caesars Entertainment as well as lottery software providers and slot machine manufacturers."
• "The slot machine nearest them exploded in a shower of glass and shredded plastic, change zinging out from its ruined bottom and sparks flying."