from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A perennial wildflower (Sanguinaria canadensis) native to forests in eastern North America, having a single lobed leaf, a solitary white flower in early spring, and a fleshy rootstock exuding a poisonous red sap. Also called red puccoon.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A North American plant, Sanguinaria canadensis, of the poppy family, which has a red root and sap and a single white flower in early spring.
from the GNU version of the Collaborative International Dictionary of English
- n. A plant (Sanguinaria Canadensis), with a red root and red sap, and bearing a pretty, white flower in early spring; -- called also puccoon, redroot, bloodwort, tetterwort, turmeric, and Indian paint. It has acrid emetic properties, and the rootstock is used as a stimulant expectorant. See sanguinaria.
from The Century Dictionary and Cyclopedia
- n. The tormentil (Potentilla Tormentilla) of Europe and northern Asia: named from the color of its root, which is rich in a red coloring matter. It is also rich in tannin, and has been used as an astringent.
- n. The common name in the United States of a papaveraceous herb, Sanguinaria Canadensis, one of the earliest spring flowers.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. perennial woodland native of North America having a red root and red sap and bearing a solitary lobed leaf and white flower in early spring and having acrid emetic properties; rootstock used as a stimulant and expectorant
blood + root (Wiktionary)