/ Dictionary / Index S spathaceous: Meaning and Definition of Find definitions for: spa•tha•ceous Pronunciation: (spu-thā'shus), [key] — adj. Bot. of the nature of or resembling a spathe. having a spathe. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spate spathe Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language