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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 periodicals archive ?
Breathitt Pennyrile Parkway as Interstate 69, and Federal Highway Administrator Gregory Nadeau and other federal, state and local officials were on hand for a ceremony dedicating the nation s newest section of interstate earlier today.
The Pennyrile State Forest and the adjacent Tradewater WMA are partly in Christian County, and they have a 15-inch outside antler spread restriction," said Kentucky DNR wildlife biologist David Yancy.
Among her many activities and honors, she served on the Pennyrile Area Development District hoard of directors for approximately 20 years; served as Red Cross Blood Mobile Chairperson from 1962 until 2008; and is commissioned as a Kentucky Colonel and Kentucky Admiral.
Pennyrile RECC--Commercial Energy Efficiency Loan Program
The men planned to drive through Hopkinsville on the Pennyrile Parkway to a place called--I'm not sure about the pronunciation--I aft it's Hopscotch, up near Evansville, Indiana, about a hundred miles or so from here.
OMHS also operates Pennyrile Pulmonary Critical Care, Owensboro; Western Kentucky Rheumatology Center, Owensboro; Convenient Care, and MultiCare, Madisonville.
The interchange work is part of a larger project to upgrade a portion of the Pennyrile Parkway to become part of Interstate 69.
The development of the Pennyrile mine continues to progress on schedule.
Pennyrile RECC - Commercial Energy Efficiency Loan Program
Marqui's new customers include 360 Networks, Arbutus College, Audubon Society of Portland, BC Biotech, BC Culinary Tourism Society, Big Sandy Area Development District, British Columbia Chamber of Commerce, Bug & Pickle, Canada Place, Covalan, Cumberland Valley Area Development District, Decidedly Jazz Danceworks, Electric Mail, Great Canadian Casinos, Greater Victoria Public Library, Green Valley Area Development District, MAKE Technologies, Manhattan Research, Montgomery College, Northern Kentucky Area Development District, Overhead Cranes, PennyRile Area Development District, Purchase Area Development District, Regional 1 Airlines, Rocky Mountaineer Vacations, Schoolhouse Supplies, Streamline, Inc.
Contract Awarded for Rebuild the Pennyrile Parkway up to interstate highway standards and eventual designation as Interstate 69.