/ Dictionary / Index P phragmoplast: Meaning and Definition of Find definitions for: phrag•mo•plast Pronunciation: (frag'mu-plast"), [key] — n. Bot. the cytoplasmic structure that forms at the equator of the spindle after the chromosomes have divided during the anaphase of plant mitosis, and that initiates cell division. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phragmites phrasal Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language