Breadcrumb Home > Dictionary > Index G glueball: Meaning and Definition of Find definitions for: glue•ball Pronunciation: (gl'bôl"), [key] — n. Physics. a hypothetical object consisting of two or more gluons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glue glue cell ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language