D defs.my
Entry 1 sense Webster, 1913

Cycling

/(s?"kl?ng)/ · Cy·cling · IPA /ˈsaɪk(ə)lɪŋ/
01 n. The act, art, or practice, of riding a cycle, esp. a bicycle or tricycle.
  1. 1.
    The act, art, or practice, of riding a cycle, esp. a bicycle or tricycle.