Breadcrumb Home > Dictionary > Index W white snakeroot: Meaning and Definition of Find definitions for: white' snake'root Pronunciation: [key] a North American boneset, Eupatorium rugosum, that has heads of white flowers and causes trembles and milk sickness. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. whitesmith white sound ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language