tricycle
nounA 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.
nounA three-wheeled vehicle.
nounA three-wheeled coach. See the quotation.
nounA modification of the velocipede or bicycle, having three wheels. The wheels are variously arranged, as two in front and one behind, or the reverse. Tricycles are made for one or two persons; in the latter case the riders sit either side by side or one before the other. Compare
To ride on a tricycle.
nounA three-wheeled velocipede. See
A cycle with three wheels, powered by pedals and usually intended for young children.
verbTo ride a tricycle.
nouna vehicle with three wheels that is moved by foot pedals