bloodwort noun8 •Any of various plants with red roots or leaves. •Species Sanguinaria canadensis (bloodroot). •Species Rumex sanguineus (bloody dock, wood dock, bloody-veined dock). •Family Haemodoraceae, flowering plants some of whose roots contain a red dye. •Any of various plants used or formerly used to staunch bleeding. •Sanguinary, common yarrow, Achillea millefolium.Bloodwort is bitter, aromatic, stimulant, and tonic. It is useful in arresting bleeding. — 1993 •Various species in the genus Sanguisorba, burnet. •Capsella bursa-pastoris, shepherd's purse. formsbloodworts