Definition of Ragweed

Noun: ragweed  'rag,weed

1. Widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity
   - ragwort, tansy ragwort, benweed, Senecio jacobaea
    
2. Any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
   - ambrosia, bitterweed

See also:
Ragusa
ragweeds

Anagrams containing the word ragweed

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