/ Dictionary / Index G galloglass: Meaning and Definition of Find definitions for: gal•lo•glass Pronunciation: (gal'ō-glas", -gläs"), [key] — n. Irish Hist. a follower and supporter of or a soldier owing allegiance to an Irish chief. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gallo gallon Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language