/ Dictionary / Index B birthwort: Meaning and Definition of Find definitions for: birth•wort Pronunciation: (bûrth'wûrt", -wôrt"), [key] — n. any of various plants of the genus Aristolochia, esp. A. clematitis, an Old World species reputed to facilitate childbirth. Cf. birthwort family. any of various other plants believed to aid childbirth. birthroot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: birthwort (Thesaurus) birthweight birthwort family Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language