Definition of Rosinweed

Noun: rosinweed  'ró-zin,weed

1. North American perennial having a resinous odour and yellow flowers
   - 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
   - gumweed, gum plant, tarweed

See also:
rosins
rosinweeds

Anagrams containing the word rosinweed

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