/ Dictionary / Index A acinaceous: Meaning and Definition of Find definitions for: ac•i•na•ceous Pronunciation: (as"u-nā'shus), [key] — adj. Bot. having many small seeds, as a grape. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aciform acinaciform Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language