/ Dictionary / Index P pinnatifid: Meaning and Definition of Find definitions for: pin•nat•i•fid Pronunciation: (pi-nat'u-fid), [key] — adj. Bot. (of a leaf&hasp;) pinnately cleft, with clefts reaching halfway or more to the midrib. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pinnatifid (Thesaurus) pinnati- pinnation Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language