Dictionary
ex'ercise bi"cycle
any of various stationary exercise apparatuses that resemble a bicycle, usually having handlebars, a seat, pedals, a device for adjusting tension or resistance in the pedaling mechanism, and sometimes a single front wheel: used esp. to improve the cardiovascular system. Also called
stationary bicycle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.