squawroot

from WordNet (r) 3.0 (2006)

squawroot
    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}]

from The Collaborative International Dictionary of English v.0.48

Squawroot \Squaw"root`\ (skw[add]"r[=oo]t`), n. (Bot.)
   A scaly parasitic plant ({Conopholis Americana}) found in oak
   woods in the United States; -- called also {cancer root}.
   [1913 Webster]