pennyroyal has definitions from the field of botany
1
[ noun ] (botany) Eurasian perennial mint have small lilac-blue flowers and ovate leaves; yields an aromatic oil

Synonyms

Mentha_pulegium

Related terms

mint pennyroyal_oil

2
[ noun ] (botany) erect hairy branching American herb having purple-blue flowers; yields an essential oil used as an insect repellent and sometimes in folk medicine

Related terms

herb Hedeoma pennyroyal_oil

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