'blueberry root' definitions:

Definition of 'blueberry root'

(from WordNet)
noun
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]