Online Google Dictionary

unicycle 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈyo͞onəˌsīkəl/,
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unicycles, plural;
  1. A cycle with a single wheel, typically used by acrobats

  1. ride a unicycle
  2. a vehicle with a single wheel that is driven by pedals
  3. The term unicycle is often used in robotics and control theory to mean a generalised cart or car moving in a two-dimensional world; these are also often called "unicycle-like" or "unicycle-type" vehicles. This usage is distinct from the literal sense of "one wheeled robot bicycle".
  4. A type of cycle that has only one wheel and is powered by pedals; it is most often used by acrobats; To travel or move around by unicycle
  5. (Say: yoo - na - cycle) - A one-wheeler. Surprisingly, they can be ridden on and off road, for short and long distance.
  6. A circus apparatus, a one-wheel bicycle with a small seat or without seat.
  7. A one-wheel cycle having pedals attached to the axle and a saddle attached to the upper end of the fork tubes.
  8. one-wheel cycle, with the cyclist above wheel.
  9. A one wheeled bike with no handle bars.
  10. Looks like a bike but with only one wheel and no handlebars! Most likely heckle if you are riding a unicycle will be "where's the other wheel". You can always reply "it's on back order" unless you are two tyred of such puns!