sanguinaria noun. [saŋgwɪ'nɛ:rɪǝ] E19.
[mod. Latin Sanguinaria (see below), use as noun of fem. of Latin sanguinarius: see SANGUINARY, -IA¹.]
Botany & Medicine. The bloodroot, Sanguinaria canadensis; the dried rhizome and root of this, used esp. to treat bronchial catarrh.

■ 'sanguinarine noun (Chemistry) a toxic bitter alkaloid, C₂₀H₁₅NO₅, obtained esp. from bloodroot M19.

[TahlilGaran] English Dictionary ▲