ragweed
Kelime Anlamı :

1. Saman nezlesine sebep olan yaygın bir ot, (bot.) Ambrosia.
2. saman nezlesine sebep olan yaygın bir ot.
3. Ambrosia.
Tanımlar :
1. any of various weeds of the genus ambrosia having small, greenish, unisexual flower heads and producing abundant pollen that is one of the chief causes of hay fever.
2. chiefly british ragwort.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. A plant of the genus ambrosia. these weeds are particularly noted for producing pollen which people with hay fever are allergic to.
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. A common american composite weed (ambrosia artemisiæfolia) with finely divided leaves; hogweed.
from the GNU version of the Collaborative International Dictionary of English
1. any plant of the composite genus ambrosia; especially, the common north american species A. trifida, the great ragweed or horse-cane, and A. artemisiæfolia, the roman wormwood or hogweed.
2. the ragwort or st.-james-wort, Senecio Jacobæa.
from The Century Dictionary and Cyclopedia