| 单词 | pennyroyal |
| 释义 | pennyroyal /pen'ee roy"euhl/, n. 1. an aromatic Old World plant, Mentha pulegium, of the mint family, having clusters of small purple flowers and yielding a pungent essential oil used medicinally and as an insect repellent. 2. Also called mock pennyroyal. a similar, related plant, Hedeoma pulegioides, of eastern North America, having bluish flowers growing from the leaf axils. 3. any of several other aromatic plants of the mint family. [1520-30; PENNY + ROYAL; r. late ME puliol real < AF; MF poliol ( < L *pulegiolum, dim. of pulegium pennyroyal) + real, earlier form of royal] |
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