ragweed

views updated Jun 11 2018

rag·weed / ˈragˌwēd/ • n. a North American plant (Ambrosia artemisia) of the daisy family. Its tiny green flowers produce copious amounts of pollen, making it a major causative agent of hay fever.

The Oxford Pocket Dictionary of Current English

ragweed

views updated May 18 2018

ragweed XVII, ragwort XV. f. RAG1 + WEED1, WORT1; with ref. to the ragged form of the leaves.

The Concise Oxford Dictionary of English Etymology T. F. HOAD

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ragweed

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