/ Dictionary / Index D -dactylous: Meaning and Definition of Find definitions for: -dactylous Pronunciation: [key] a combining form meaning “fingered, possessing fingers,” or “toed, possessing toes,” used to form compound words in which the initial element specifies the type or number of fingers or toes: tridactylous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dactyloscopy dactylus Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language