galactic Meaning, Definition & Usage

  1. adjective of or relating to a galaxy (especially our galaxy the Milky Way)
    • the galactic plane
  2. adjective satellite inconceivably large
    astronomical; astronomic.

WordNet

Ga*lac"tic adjective
Etymology
Gr. milky, fr. , , milk. See Galaxy, and cf. Lactic.
Definitions
  1. Of or pertaining to milk; got from milk; as, galactic acid.
  2. Of or pertaining to the galaxy or Milky Way.

Webster 1913