/ Dictionary / Index G glumaceous: Meaning and Definition of Find definitions for: glu•ma•ceous Pronunciation: (gl-mā'shus), [key] — adj. Bot. glumelike; chaffy. consisting of or having glumes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glum glume Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language