noun
1. oil from European pennyroyal having an odor like mint; used chiefly in soaps
• Hypernyms: ↑oil
• Substance Holonyms: ↑pennyroyal, ↑Mentha pulegium
2. aromatic oil from American pennyroyal
• Syn: ↑hedeoma oil
• Hypernyms: ↑oil
• Substance Holonyms: ↑pennyroyal, ↑American pennyroyal, ↑Hedeoma pulegioides
* * *
noun : either of two yellowish essential oils obtained from pennyroyal:
a. : the oil obtained from European pennyroyal that has an odor like mint and is used chiefly in soaps
Useful english dictionary. 2012.