n.
A vehicle, used especially by small children, that has three wheels, one at the front and two at the back, and is usually propelled by pedals.
[French : tri-, three (from Greek tri-; see tri-) + Greek kuklos, wheel; see cycle.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
