Definition of "doohickey" []

• Informal An unnamed gadget or trinket. (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.

• "Get Help: Need to replace a part of your toilet but have no idea how to describe it to the person at the hardware store without using the word doohickey?"
• "I believe "doohickey" is the correct technical term for that particular control."
• "Training ones either have a plastic or rubbery doohickey attached at the apex of the chopsticks or are actually attached."