Cite
 

Meaning of galactic equator

galac'tic equa'tor

Pronunciation: [key]
— Astron. Astron.
  1. the great circle on the celestial sphere that is equidistant from the galactic poles, being inclined approximately 62° to the celestial equator and lying about one degree north of the center line of the Milky Way. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.