MOTORCYCLING
motorcycling
(noun) riding a motorcycle; “motorcycling is a dangerous sport”
Source: WordNet® 3.1
Noun
motorcycling (uncountable)
The activity or hobby of travelling on a motorcycle
Verb
motorcycling
present participle of motorcycle
Source: Wiktionary
MOTORCYCLE
Motor cycle, or Mo"tor*cy`cle, n.
Definition: A bicycle having a motor attached so as to be self-propelled.
In Great Britain the term motor cycle is treated by statute (3 Ed
VII. c. 36) as limited to motor cars (self-propelled vehicles)
designed to travel on not more than three wheels, and weighing
unladen (that is, without water, fuel, or accumulators necessary for
propulsion) not more than three hundred weight (336 lbs.).
Source: Webster’s Unabridged Dictionary 1913 Edition