Great ragweed
Ragweed Rag"weed` (r[a^]g"w[=e]d`), n. (Bot.) A common American composite weed ({Ambrosia artemisi[ae]folia}) with finely divided leaves; hogweed. [1913 Webster]

{Great ragweed}, a coarse American herb ({Ambrosia trifida}), with rough three-lobed opposite leaves. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • great ragweed — n RAGWEED (b) …   Medical dictionary

  • great ragweed — noun a coarse annual with some leaves deeply and palmately three cleft or five cleft • Syn: ↑Ambrosia trifida • Hypernyms: ↑ragweed, ↑ambrosia, ↑bitterweed * * * noun : a coarse annual (Ambrosia trifida) with some or all o …   Useful english dictionary

  • great ragweed. — See under ragweed. * * * …   Universalium

  • great ragweed. — See under ragweed …   Useful english dictionary

  • Ragweed — Rag weed (r[a^]g w[=e]d ), n. (Bot.) A common American composite weed ({Ambrosia artemisi[ae]folia}) with finely divided leaves; hogweed. [1913 Webster] {Great ragweed}, a coarse American herb ({Ambrosia trifida}), with rough three lobed opposite …   The Collaborative International Dictionary of English

  • Ragweed — Taxobox name = Ragweeds image width = 200px image caption = A ragweed, Ambrosia sp. regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida subclassis = Asteridae unranked ordo = Euasterids II ordo = Asterales familia = Asteraceae… …   Wikipedia

  • ragweed — /rag weed /, n. any of the composite plants of the genus Ambrosia, the airborne pollen of which is the most prevalent cause of autumnal hay fever, as the common North American species, A. trifida (great ragweed or giant ragweed) and A.… …   Universalium

  • Ragweed — Any of a number of weedy composite herbs that produce a pollen that is a frequent cause of allergies. Of all allergy sufferers in the United States, 75% are allergic to ragweed. * * * rag·weed rag .wēd n any of various chiefly No. American weedy… …   Medical dictionary

  • Great Basin Desert — Desert The Great Basin Desert is generally within the Great Basin, except for a few areas outside of the Great Basin in south central Utah and east centra …   Wikipedia

  • giant ragweed — noun : great ragweed * * * giant ragweed, a kind of ragweed that sometimes grows 12 feet high; kinghead. Its pollen causes hay fever …   Useful english dictionary

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