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Related to pennyroyal: pennyroyal oil


1. A Eurasian mint (Mentha pulegium) having small lilac-blue flowers and ovate or nearly orbicular leaves that yield an essential oil formerly used medicinally and as an insect repellent.
2. An aromatic eastern North American mint (Hedeoma pulegioides) having purple-blue flowers and lanceolate to ovate leaves that yield a similar essential oil.

[Probably by folk etymology from Middle English puliol real, from Anglo-Norman : puliol, thyme (from Latin pūlegium) + real, royal (from Latin rēgālis; see regal).]


1. (Plants) a Eurasian plant, Mentha pulegium, with hairy leaves and small mauve flowers, that yields an aromatic oil used in medicine: family Lamiaceae (labiates)
2. (Plants) Also called: mock pennyroyal a similar and related plant, Hedeoma pulegioides, of E North America
[C16: variant of Anglo-Norman puliol real, from Old French pouliol (from Latin pūleium pennyroyal) + real royal]


(ˌpɛn iˈrɔɪ əl)

1. an aromatic Old World plant, Mentha pulegium, of the mint family, having clusters of small purple flowers.
2. a similar related plant, Hedeoma pulegioides, of E North America, having bluish flowers growing from the leaf axils.
[1520–30; replacing late Middle English puliol real < Anglo-French]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pennyroyal - Eurasian perennial mint have small lilac-blue flowers and ovate leavespennyroyal - Eurasian perennial mint have small lilac-blue flowers and ovate leaves; yields an aromatic oil
mint - any north temperate plant of the genus Mentha with aromatic leaves and small mauve flowers
pennyroyal oil - oil from European pennyroyal having an odor like mint; used chiefly in soaps
2.pennyroyal - erect hairy branching American herb having purple-blue flowerspennyroyal - erect hairy branching American herb having purple-blue flowers; yields an essential oil used as an insect repellent and sometimes in folk medicine
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
genus Hedeoma, Hedeoma - small genus of American herbs (American pennyroyal)
hedeoma oil, pennyroyal oil - aromatic oil from American pennyroyal
References in classic literature ?
It resembles pennyroyal, and derives its name from a partial saltness.
Not one came, moreover, without her little pipkin of pennyroyal, sage, balm, or other herb tea, delighted at an opportunity of signalizing her kindness and her doctorship.
Michael Bryan, 29 of Pennyroyal Close, St Mellons; Lee Coles, 32, of Harris Avenue, Rumney; Frankie Sinclair, 27, from Tatham Road, Llanishen; and Kyle Debono, 24, of Aberporth Road, Gabalfa, were all jailed after admitting a charge of violent disorder.
PLANT HERBS put pennyroyal plants around the house, but be careful.
WWP) Alumni Program took the injured veterans on the dive at the Pennyroyal Quarry north of Fort Campbell, Kentucky.
Chad Phillips of Pennyroyal in Seattle created this recipe.
In the Eleusinian Mysteries, the initiates are similarly given a special psychoactive drink of barley and pennyroyal called kykeon, taken in the Telesterion where certain hiera (sacred objects) are revealed to them, as they recite, "I have fasted.
Stuart Kitching, 61, of Pennyroyal Road, Stockton, given a nine-month conditional discharge and ordered to pay PS45 costs for theft.
These plants are pine, Pinus sylvestris; pennyroyal, Menthapulegium; rosemary, Rosmarinus officinalis; lavender, Lavandula stoechas; and phoenician juniper, Juniperus phoenicea.
There are a number of plants that will attract the wasps, including: common yarrow, dill caraway, coriander, Queen Anne's lace, tansy, parsley, pennyroyal, fennel, lemon balm, and Cosmos white sensation.
Pennyroyal toxicity: measurement of toxic metabolite levels in two cases and review of the literature.
The line-up will feature a live hardware set from Fran Hartnett, who was handpicked by Surgeon for his Fabric CD plus recent addition to Untold's Pennyroyal label Myler.