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Cause of hay fever
Answer for the clue "Cause of hay fever ", 7 letters:
ragweed
Alternative clues for the word ragweed
Word definitions for ragweed in dictionaries
WordNet
Word definitions in WordNet
n. widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity [syn: ragwort , tansy ragwort , benweed , Senecio jacobaea ] any of numerous chiefly North American weedy plants constituting ...
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
1790, from ragged + weed (n.); so called from shape of the leaves. Applied to a different plant (ragwort) from 1650s.
Usage examples of ragweed.
His nose was sniffly from May until July, then again during ragweed season at the end of August.
But those times were like a lost paradise, and the sprawly corrals around the place now stood near empty and growing over in ragweed.
The outlying fields grew first garish with golden ragweed and scarlet poppies, and then dull green again with the brown-knotted rushes and sombre sedge, and all other marish growths, until the re-annexation was complete, and they once more were homogeneous part and parcel of the conquering bog.
Isaac had been sent to watch, overran the garden and demolished everything but the purslane and ragweed, while all the time the young man was under the hedge working out mathematical problems from his Descartes.
A fringe of ragweeds and Russian thistle growing in its dirt roof gave it a disreputable, unshaven look.
Don and I were late bloomers physically, puny until we graduated from grammar school after which we shot up like ragweed plants in July.
Worse yet, sumpweed is a wind-pollinated relative of ragweed, the notorious hayfever-causing plant.