First Known Use: 1530
Dictionary
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
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Origin of PENNYROYAL
probably alteration of Anglo-French puliol real, from puliol pennyroyal (ultimately from Latin puleium) + real royal
Rhymes with PENNYROYAL
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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