/ Dictionary / Index G galactic pole: Meaning and Definition of Find definitions for: galac'tic pole' Pronunciation: [key] — Astron. Astron. either of the two opposite points on the celestial sphere that are farthest north and south of the Milky Way. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. galactic plane galactic year Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language