01 n. A yellow-flowered composite plant (Helenium autumnale) the odor of which is said to cause sneezing.
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1.
A yellow-flowered composite plant (Helenium autumnale) the odor of which is said to cause sneezing.(Bot.)
Entry
1 sense
Webster, 1913
Sneezeweed
· Sneeze·weed
· IPA /ˈsniːzwiːd/