/ Dictionary / Index P prairie rattlesnake: Meaning and Definition of Find definitions for: prai'rie rat"tlesnake Pronunciation: [key] a rattlesnake, Crotalus viridis viridis, of the prairies of western North America. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Prairie Provinces prairie rose Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language