• Webster's Revised Unabridged Dictionary
    • n Yellowroot (Bot) Any one of several plants with yellow roots.
    • ***
Century Dictionary and Cyclopedia
    • n yellowroot Same as shrub-yellowroot.
    • n yellowroot An American herb, Hydrastis Canadensis, named also orange-root, yellow puccoon, Indian paint, turmeric-root, and especially (in medicine) goldenseal. Its rootstock contains hydrastine and berberine, and is an officinal remedy of an unquestioned tonic property and with various powers less settled, applied in dyspepsia, in jaundice and other disorders of the liver, as a laxative, alterative, etc. See Hydrastis and hydrastine.
    • ***