The dried rootstock of bloodroot, containing several alkaloids used in medicine.
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
Origin of sanguinaria
New Latin Sanguinaria genus name from Latin (herba) sanguināriā a plant that stanches blood feminine of sanguinārius sanguinary sanguinary