Pennyroyal.
(Of thelat.)(pulegium, puleium).
1. m. herbaceous annual, the family of the Labiadas, with stems lying, ramosos, hairy and somewhat esquinados, faded, small, petiolate, almost round, toothed leaves, and flowers are bluish or purple in well separate whorls. The plant has a pleasant odor, is used in infusion as stomach and abounds in Spain on the banks of streams.