galactic coordinates: Meaning and Definition of

galac'tic coor'dinates

Pronunciation: [key]
— Astron. Astron.
  1. a system of coordinates utilizing galactic latitude and galactic longitude to define the position of a celestial body with reference to the Milky Way.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.