papooseroot \papooseroot\, papoose root \papoose root\n. (Bot.) A tall herb (Caulophyllum thalictroides) of eastern North America and Asia having blue berrylike fruit and a thick knotty rootstock formerly used medicinally; the Cohosh. See also Cohosh.

Syn: blue cohosh, blueberry root, papoose root, squawroot, squaw root, Caulophyllum thalictrioides, Caulophyllum thalictroides. [WordNet 1.5]

Source: The Collaborative International Dictionary of English v.0.48
 

Cohosh \Co"hosh\, n. (Bot.) A perennial American herb (Caulophyllum thalictroides), whose rootstock is used in medicine; -- also called pappoose root. The name is sometimes also given to the Cimicifuga racemosa, and to two species of Act[ae]a, plants of the Crowfoot family. [1913 Webster] Cohune

Source: The Collaborative International Dictionary of English v.0.48
 

Caulophyllum thalictroides

Source: WordNet (r) 2.0
 

Cohosh \Co"hosh\, n. (Bot.) A perennial American herb (Caulophyllum thalictroides), whose rootstock is used in medicine; -- also called pappoose root. The name is sometimes also given to the Cimicifuga racemosa, and to two species of Act[ae]a, plants of the Crowfoot family.

Source: Webster's Revised Unabridged Dictionary (1913)