pennyroyal

/ˌˈpɛniˌˈrɔɪ(ə)l/

/pɛniˈrɔɪəl/

Definitions of pennyroyal

1. noun

   Eurasian perennial mint have small lilac-blue flowers and ovate leaves; yields an aromatic oil
   synonyms: Mentha pulegium

   type of:

   mint

   any north temperate plant of the genus Mentha with aromatic leaves and small mauve flowers
2. noun

   erect hairy branching American herb having purple-blue flowers; yields an essential oil used as an insect repellent and sometimes in folk medicine
   synonyms: American pennyroyal, Hedeoma pulegioides

   type of:

   herb, herbaceous plant

   a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests