/ Dictionary / Index D doby: Meaning and Definition of Find definitions for: do•by Pronunciation: (dō'bē), [key] — pl. -bies. adobe. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Dobuan Dobzhansky Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language