/ Dictionary / Index P pentadactyl: Meaning and Definition of Find definitions for: pen•ta•dac•tyl Pronunciation: (pen"tu-dak'tl, -til), [key] — adj. having five digits on each hand or foot. having five fingerlike projections or parts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pentad pentadecagon Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language