CAELUM Meaning of CAELUM in English /see"leuhm/ , n., gen. Caeli /-luy, -lee/ . Astron.the Sculptor's Tool, or Chisel, a small southern constellation between Columba and Eridanus. [ ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012