Definition of "metronome" []

• Music A device used to mark time by means of regularly recurring ticks or flashes at adjustable intervals. (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.

• "Along with the metronome, which is a key tool in ChiRunning and ChiWalking, the other important accessory is a good watch."
• "The metronome is the best tool for learning how to lengthen or shorten your stride relative to your speed."
• "The most interesting product of the last couple of days is the Wetronome waterproof metronome, which is yellow and rubbery and pretty-much useless unless you're a world-class swimmer, of course."