pennyroyal

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pen·ny·roy·al

 (pĕn′ē-roi′əl)
n.
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).]

pennyroyal

(ˌpɛnɪˈrɔɪəl)
n
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]

pen•ny•roy•al

(ˌpɛn iˈrɔɪ əl)

n.
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
Translations
References in periodicals archive ?
Jason Tresfon, 33, of Penny Royal Close, St Mellons, Cardiff, was fined pounds 125 for drink-driving, with pounds 60 costs and a pounds 15 victim surcharge, and was disqualified from driving for 12 months.
Thomas, 25, of Penny Royal Road, died after an altercation outside The Normanby pub on Saturday, March 21.
Rosemary, hollyhocks, coriander, penny royal and sweetbriar were grown about the windows and front yard.