/ Dictionary / Index A amyloplast: Meaning and Definition of Find definitions for: am•y•lo•plast Pronunciation: (am'u-lō-plast"), [key] — n. Bot. a starch-forming granule in plants; leucoplast. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. amylopectin amylose Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language