/ Dictionary / Index D dactyloscopy: Meaning and Definition of Find definitions for: dac•ty•los•co•py Pronunciation: (dak"tu-los'ku-pē), [key] — n. a method of studying fingerprints to establish identification. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dactylomegaly -dactylous 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