'Sneezeweed' definitions:
Definition of 'sneezeweed'
(from WordNet)
noun
Any of various plants of the genus Helenium characteristically causing sneezing
Definition of 'Sneezeweed'
From: GCIDE
- Sneezeweed \Sneeze"weed`\, n. (Bot.) A yellow-flowered composite plant (Helenium autumnale) the odor of which is said to cause sneezing. [1913 Webster]