/ Dictionary / Index D -dactyly: Meaning and Definition of Find definitions for: -dactyly Pronunciation: [key] a combination ofand,used to form nouns to stems inhyperdactyly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dactylus dad 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