/ Dictionary / Index P phellem: Meaning and Definition of Find definitions for: phel•lem Pronunciation: (fel'um, -em), [key] — n. Bot. cork (def. 6). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phellem (Thesaurus) Pheidippides phellogen Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language