unicycle

[ yoo-nuh-sahy-kuh l ]
/ ˈyu nəˌsaɪ kəl /

noun

a vehicle with one wheel, especially a pedal-driven device kept upright and steered by body balance, commonly used by acrobats and other performers.

verb (used without object), u·ni·cy·cled, u·ni·cy·cling.

to ride a unicycle.

Origin of unicycle

An Americanism dating back to 1865–70; uni- + cycle

OTHER WORDS FROM unicycle

u·ni·cy·clist, noun

Example sentences from the Web for unicycle

British Dictionary definitions for unicycle

unicycle
/ (ˈjuːnɪˌsaɪkəl) /

noun

a one-wheeled vehicle driven by pedals, esp one used in a circus, etc Also called: monocycle

Derived forms of unicycle

unicyclist, noun

Word Origin for unicycle

from uni- + cycle, on the model of tricycle