Definition of "brier root" []

• The root of the southern Smilax laurifolia and Smilax Walteri; -- used for tobacco pipes. See also 2nd brier. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "They should be washed frequently with warm water, and some astringent article injected up the birth-place, such as oak oose, brier root tea, wild alum root tea, &c. Page 150"
• "-- Cleanse the bowels as above directed, and then drink freely of a strong decoction of equal quantities of dewberry brier root and blue flag or gleet root."