Search Result for "rosinweed": 
Wordnet 3.0

NOUN (2)

1. North American perennial having a resinous odor and yellow flowers;
[syn: rosinweed, Silphium laciniatum]

2. any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock;
[syn: gumweed, gum plant, tarweed, rosinweed]



The Collaborative International Dictionary of English v.0.48:

Rosinweed \Ros"in*weed`\, n. (Bot.)
   (a) The compass plant. See under Compass.
   (b) A name given in California to various composite plants
       which secrete resins or have a resinous smell.
       [1913 Webster]


WordNet (r) 3.0 (2006):

rosinweed
    n 1: North American perennial having a resinous odor and yellow
         flowers [syn: rosinweed, Silphium laciniatum]
    2: any of various western American plants of the genus Grindelia
       having resinous leaves and stems formerly used medicinally;
       often poisonous to livestock [syn: gumweed, gum plant,
       tarweed, rosinweed]