/ Dictionary / Index S sporophyll: Meaning and Definition of Find definitions for: spo•ro•phyll Pronunciation: (spôr'u-fil, spōr'-), [key] — n. Bot. a modified leaf that bears sporangia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sporophyll (Thesaurus) sporophore sporophyte Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language