/ Dictionary / Index D dactylology: Meaning and Definition of Find definitions for: dac•ty•lol•o•gy Pronunciation: (dak"tu-lol'u-jē), [key] — pl. -gies. the technique of communicating by signs made with the fingers, esp. in the manual alphabets used by the deaf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dactylography dactylomegaly 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