pennyroyal

noun pen·ny·roy·al \ ˌpen-ē-ˈrȯi(-ə)l , ˈpe-ni-ˌrī(-ə)l \

Definition of pennyroyal

1 : a European perennial mint (Mentha pulegium) with small aromatic leaves
2 : an aromatic North American mint (Hedeoma pulegioides) that has blue or violet flowers borne in axillary tufts and yields an oil used in folk medicine or to drive away mosquitoes

Origin and Etymology of pennyroyal

probably alteration of Anglo-French puliol real, from puliol pennyroyal (ultimately from Latin puleium) + real royal


Medical Dictionary

pennyroyal

noun pen·ny·roy·al \ ˌpen-ē-ˈrȯi(-ə)l , ˈpen-i-ˌrīl \

medical Definition of pennyroyal

: any of several mints; especially : an aromatic American mint (Hedeoma pulegioides) that yields pennyroyal oil

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