Share this entry
pennyroyal Syllabification: pen·ny·roy·al
Pronunciation: /ˈpenēˌroiəl/

Definition of pennyroyal in English:


Either of two small-leaved plants of the mint family, used in herbal medicine.
  • A creeping Eurasian plant (Mentha pulegium), and American pennyroyal (Hedeoma pulegioides), family Labiatae
Example sentences
  • Mint, lemon balm, pennyroyal, chives, chamomile, mayflower, and summer savory are a few herbs perfectly suited to this microclimate.
  • This also is true of many herbal tablets, capsules and extracts, including black or blue cohosh, ephedra, dong quai, feverfew, juniper, pennyroyal, St. John's wort, rosemary and thuja.
  • Essential oils from allspice, basil, cedar, cinnamon, citronella, garlic, geranium, lavender, pennyroyal, peppermint, pine, rosemary, and thyme have been reported to have repellent properties.


Mid 16th century: from Anglo-Norman French puliol (based on Latin pulegium 'thyme') + real 'royal'.

Definition of pennyroyal in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources