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unicycle

[ yoo-nuh-sahy-kuhl ]
/ ˈyu nəˌsaɪ kəl /
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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.
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Origin of unicycle

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

OTHER WORDS FROM unicycle

u·ni·cy·clist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use unicycle in a sentence

British Dictionary definitions for unicycle

unicycle
/ (ˈjuːnɪˌsaɪkəl) /

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

Derived forms of unicycle

unicyclist, noun

Word Origin for unicycle

from uni- + cycle, on the model of tricycle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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