ragweed

[ rag-weed ]

/ ˈrægˌwid /

SEE SYNONYMS FOR ragweed ON THESAURUS.COM

noun

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. artemisiifolia.

Origin of ragweed

First recorded in 1650–60; rag¹ + weed¹, so called from its ragged appearance

Words nearby ragweed

ragtime, ragtop, rag trade, ragù, Ragusa, ragweed, ragwork, ragworm, ragwort, rah, Rahab

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for ragweed

If man could make but the single seed of the ragweed, he could make a world.
Trees, Fruits and Flowers of Minnesota, 1916|Various
As animals (and we are entirely animal)—we are as far under the dominion of nature as any ragweed or woodchuck.
The Face of the Fields|Dallas Lore Sharp
A mixed flock of these small birds lived several days last winter upon the seeds of the ragweed in my mowing-field.
The Fall of the Year|Dallas Lore Sharp
"Honestly, I didn't think it would kill anything but ragweed," Henry sniveled miserably.
Henry Horn's X-Ray Eye Glasses|Dwight V. Swain

"Like a ragweed," she laughed, taking him into the kitchen, where she brought him a chair from the sitting-room.
The Biography of a Prairie Girl|Eleanor Gates

British Dictionary definitions for ragweed

ragweed

/ (ˈræɡˌwiːd) /

noun

any plant of the chiefly North American genus Ambrosia, such as A. artemisiifolia (common ragweed): family Asteraceae (composites). Their green tassel-like flowers produce large amounts of pollen, which causes hay feverAlso called: ambrosia

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for ragweed

ragweed

[ răg′wēd′ ]

n.

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.

单词	ragweed
释义	ragweed [ rag-weed ] / ˈrægˌwid / SEE SYNONYMS FOR ragweed ON THESAURUS.COM noun 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. artemisiifolia. Origin of ragweed First recorded in 1650–60; rag¹ + weed¹, so called from its ragged appearance Words nearby ragweed ragtime, ragtop, rag trade, ragù, Ragusa, ragweed, ragwork, ragworm, ragwort, rah, Rahab Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for ragweed If man could make but the single seed of the ragweed, he could make a world. Trees, Fruits and Flowers of Minnesota, 1916\|Various As animals (and we are entirely animal)—we are as far under the dominion of nature as any ragweed or woodchuck. The Face of the Fields\|Dallas Lore Sharp A mixed flock of these small birds lived several days last winter upon the seeds of the ragweed in my mowing-field. The Fall of the Year\|Dallas Lore Sharp "Honestly, I didn't think it would kill anything but ragweed," Henry sniveled miserably. Henry Horn's X-Ray Eye Glasses\|Dwight V. Swain "Like a ragweed," she laughed, taking him into the kitchen, where she brought him a chair from the sitting-room. The Biography of a Prairie Girl\|Eleanor Gates British Dictionary definitions for ragweed ragweed / (ˈræɡˌwiːd) / noun any plant of the chiefly North American genus Ambrosia, such as A. artemisiifolia (common ragweed): family Asteraceae (composites). Their green tassel-like flowers produce large amounts of pollen, which causes hay feverAlso called: ambrosia Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to ragweed dander, irritant, pollen, antigen, dust mite Medical definitions for ragweed ragweed [ răg′wēd′ ] n. 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. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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ragweed

noun

Origin of ragweed

Words nearby ragweed

Example sentences from the Web for ragweed

British Dictionary definitions for ragweed

noun

Words related to ragweed

Medical definitions for ragweed

n.