Tricycle

A tricycle, often abbreviated to trike, is a three-wheeled vehicle, commonly human-powered. Tricycles are used by children and adults alike for their stability versus a bicycle. In the United States and Canada, adult-sized tricycles are used by senior adults for recreation, shopping, and exercise. In Asia and Africa, tricycles called pedicabs are ...
Found on http://en.wikipedia.org/wiki/Tricycle

Tricycle

• (n.) A three-wheeled velocipede. See Illust. under Velocipede. Cf. Bicycle.
Found on http://thinkexist.com/dictionary/meaning/tricycle/

tricycle

(from the article `automobile`) Most historians agree that Nicolas-Joseph Cugnot of France was the constructor of the first true automobile. Cugnot`s vehicle was a huge, heavy, ... ...of the storage battery by Gaston Planté of France in 1859–60 and its improvement by Camille Faure in 1881 made the electric vehicle possible, ...
Found on http://www.britannica.com/eb/a-z/t/79

tricycle

trike noun a vehicle with three wheels that is moved by foot pedals
Found on https://www.encyclo.co.uk/local/20974

Tricycle

A tricycle is a three-wheeled machine used for riding. Tricycles were an adaptation of the velocipede, and were first introduced around about 1878 as a substitute for the high bicycle. Most tricycles are steered directly by one wheel in front, though some have been made with two steering wheels abreast and driven by a single wheel behind. Tricycles...
Found on http://www.probertencyclopaedia.com/browse/AT.HTM

tricycle

tricycle 1. A velocipede with three wheels, one in the front and two in the rear. 2. A vehicle, used especially now by small children, that has three wheels, one at the front and two a the back, and is usually propelled by pedals.
Found on http://www.wordinfo.info/words/index/info/view_unit/2740/4

tricycle

[n] - a cycle with three wheels
Found on http://www.webdictionary.co.uk/definition.php?query=tricycle
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