Definition of cycling lizard in English:

cycling lizard

noun

Australian
rare
  • Any of several small agamid lizards of the genus Ctenophorus (formerly Amphibolurus), whose leg motions when running bipedally resemble those of a cyclist; especially the ring-tailed dragon, C. caudicinctus (also called racehorse lizard).

Origin

1920s; earliest use found in Mercury (Hobart).