[burth-root, -roo t]
  1. Also called birthwort, purple trillium. a trillium, Trillium erectum, the roots of which were formerly used in medicine as an astringent.
  2. any of certain other species of trillium.

Origin of birthroot

First recorded in 1815–25; birth + root1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for birthroot

Historical Examples of birthroot

British Dictionary definitions for birthroot


  1. any of several North American plants of the genus Trillium, esp T. erectum, whose tuber-like roots were formerly used by the Native Americans as an aid in childbirth: family Trilliaceae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012