cycling
n. uncountable A2 Elementary US //ˈsaɪkəɫɪŋ// UK //sˈaɪklɪŋ// cy·cling
n. the activity or sport of riding a bicycle. You can do this for fun, for exercise, or to travel to work.
n. the activity of riding a bicycle for transport, recreation, or competitive sport.
Cycling is a great way to stay fit.
The city invested in new bike lanes to encourage cycling among commuters and reduce traffic congestion.
While professional cycling requires immense physical endurance and specialized equipment, it remains one of the most accessible forms of low-impact cardiovascular exercise for the general public.
By surface analysis, cycle + -ing.
Usage
Typically functions as an uncountable noun when referring to the activity in general.