/ Dictionary / Index D Dall's sheep: Meaning and Definition of Find definitions for: Dall's' sheep' Pronunciation: (dôlz), [key] a white-haired wild sheep, Ovis dalli, of mountainous regions of northwestern North America, having curved horns. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Dallis grass dally 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