Bitterroot

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Bitterroot \Bit"ter*root`\, n. (Bot.)
     A plant ({Lewisia rediviva}) allied to the purslane, but with
     fleshy, farinaceous roots, growing in the mountains of Idaho,
     Montana, etc. It gives the name to the Bitter Root mountains
     and river. The Indians call both the plant and the river
     Sp[ae]t'lum.


     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  bitterroot
       n : showy succulent ground-hugging plant of Rocky Mountains
           regions having deep to pale pink flowers and fleshy
           farinaceous roots; the Montana state flower [syn: {Lewisia
           rediviva}]