3 Wheeled Tricycle Wheel Noun Vehicle Tri Propelled Front

tri·cy·cle
\\ˈtrī-sə-kəl, -ˌsi-kəl\\ noun: a 3-wheeled vehicle propelled by pedals or a motor

tricycle
  1828, "three-wheeled horse-drawn carriage," from Fr. tricycle (1827), from tri- + cycle. The pedal-powered version is first attested 1868. Short form trike (on the model of bike) is attested from 1883.

tricycle
tri·cycle / 5traisikl / (also informal trike) noun   a vehicle similar to a bicycle, but with one wheel at the front and two at the back
   三轮脚踏车

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tri·cy·cle
I. \ˈtrīˌsikəl, -_sə̇k, -_sēk- sometimes -ˌsīk-\ noun
Etymology: French, from tri- + Greek kyklos wheel — more at
: a 3-wheeled vehicle propelled by pedals, hand levers, or a motor: as
 a.
  (1) : a 3-wheeled velocipede used originally by women or girls instead of a bicycle
  (2) : a child's vehicle with a pair of small rear wheels and a larger front wheel to which are attached the pedals and the handles for steering
 b. : a 3-wheeled velocipede with two large wheels in the rear and one small wheel in front attached to a steering handle, propelled by pedals, and formerly used by girls
 c. : a 3-wheeled velocipede equipped with a box or case for light haulage
 d. : a 3-wheeled and often motorized invalid chair
 e. : any of various power-driven 3-wheeled vehicles (as a motorcycle) — compare
II. intransitive verb
(tricycled ; tricycled ; tricycling \-k(ə)liŋ\ ; tricycles)
: to ride a tricycle

• tri·cy·cler \-k(ə)lə(r)\ noun