pennyroyal
noun
- a strongly scented, perennial European mint (Mentha pulegium) with bluish-lavender flowers
- a similar North American mint (Hedeoma pulegioides) that yields an aromatic oil
See pennyroyal in American Heritage Dictionary 4
(pĕnˌē-roiˈəl)
noun- A Eurasian mint (Mentha pulegium) having small lilac-blue flowers and ovate or nearly orbicular leaves that yield a useful, aromatic oil.
- An aromatic plant (Hedeoma pulegioides) of eastern North America, having purple-blue flowers and glabrous leaves that yield an oil used as an insect repellent.
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