blood·root /-ˌrut, ˌrʊt/
 罌粟科植物
 blood·root /-ˌrut, ˌrʊt/ 名詞
 血根
 Blood·root n. Bot. 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.
 Note: ☞ In England the name is given to the tormentil, once used as a remedy for dysentery.
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 bloodroot
      n : perennial woodland native of North America having a red root
          and red sap and bearing a solitary lobed leave and white
          flower in early spring and having acrid emetic
          properties; rootstock used as a stimulant and expectorant
          [syn: puccoon, redroot, tetterwort, Sanguinaria
          canadensis]