/ Dictionary / Index L Local Group: Meaning and Definition of Find definitions for: Lo'cal Group' Pronunciation: [key] — Astron. Astron. the group of galaxies, at least 25 of which are known, that includes the Milky Way. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. local government localism Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language