Main Entry: uni·cy·cle

Pronunciation: \ˈyü-ni-ˌsī-kəl\

Function: noun

Etymology: uni- + -cycle (as in tricycle)

Date: 1869

: a vehicle that has a single wheel and is usually propelled by pedals

— uni·cy·clist \-ˌsī-k(ə-)list\ noun

[unicycle illustration]