What does caela mean in latin?

Caela = Nominative, Accusative, or Vocative (all plural) - heaven, sky, space, air, weather, universe etc.

FROM

Caelum, Caeli - Neuter - 2nd declension noun - heaven, sky, space, air, weather, universe, world, chisel, engraving tool

OR

Caela = Present, Active, Imperfect, second person, singular - to carve, engrave embroider.

FROM

Caelo, Caelare, Caelavi, Caelatus - 1st conjugation verb - to carve, to engrave, to embroider