blue cohosh
n 1: tall herb of eastern North America and Asia having blue
berrylike fruit and a thick knotty rootstock formerly used
medicinally [syn: {blue cohosh}, {blueberry root},
{papooseroot}, {papoose root}, {squawroot}, {squaw root},
{Caulophyllum thalictrioides}, {Caulophyllum
thalictroides}]