Monocycle

//ˈmɑnoʊˌsaɪkəl// noun

Definitions

Noun
  1. 1
    A unicycle or monowheel; often specifically a unicycle with the rider seated inside the wheel.
  2. 2
    a vehicle with a single wheel that is driven by pedals wordnet
  3. 3
    An aromatic compound containing a single ring.
  4. 4
    The first derivative of a Gaussian, often used as an impulse signal.

Etymology

From mono- + cycle, thus literally "one wheel".

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