/ Dictionary / Index P phragmites: Meaning and Definition of Find definitions for: phrag•mi•tes Pronunciation: (frag-mī'tēz), [key] — n. any of several tall grasses of the genus Phragmites, having plumed heads, growing in marshy areas, esp. the common reed P. australis (or P. communis). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phragmites (Thesaurus) phr. phragmoplast Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language