A pedal-powered vehicle with two large wheels placed parallel to one another, instead of being in line as in a bicycle; especially a vehicle of the design devised by E. C. F. Otto.
Origin
Late 19th century; earliest use found in The Cyclists' Touring Club Gazette. From di- + -cycle.
Definition of dicycle in US English:
dicycle
nounˈdʌɪsɪkl
A pedal-powered vehicle with two large wheels placed parallel to one another, instead of being in line as in a bicycle; especially a vehicle of the design devised by E. C. F. Otto.
Origin
Late 19th century; earliest use found in The Cyclists' Touring Club Gazette. From di- + -cycle.