pennyroyal

pen·ny·roy·al

noun
\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 of PENNYROYAL

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

First Known Use: 1530

Rhymes with PENNYROYAL

baby oil, castor oil, desert soil, drying oil, holy oil, linseed oil, mineral oil, olive oil, peanut oil, prairie soil, rapeseed oil, safflower oil, salad oil, soybean oil, supercoil, tick trefoil