Definition of lacertian in English:

lacertian

Pronunciation /ləˈsəːtɪən/ /ləˈsəːʃən/

adjective

Zoology
  • Of or relating to lizards; lizard-like, saurian. In zoological use now chiefly historical.

noun

Zoology
  • A lizard. Now chiefly historical.

Origin

Early 19th century; earliest use found in James Parkinson (1755–1824), surgeon and palaeontologist. From classical Latin lacerta lizard + -ian, after French lacertien.