/ Dictionary / Index A amylaceous: Meaning and Definition of Find definitions for: am•y•la•ceous Pronunciation: (am"u-lā'shus), [key] — adj. of the nature of starch; starchy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: amylaceous (Thesaurus) amyl amyl acetate Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language