• Webster's Revised Unabridged Dictionary
    • n Hoarhound Same as Horehound.
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Century Dictionary and Cyclopedia
    • n hoarhound The popular name of several plants of the natural order Labiatæ. The common or white hoarhound, Marrubium vulgare. It grows in waste places and by way-sides, and is distribnted throughout Europe and northern Asia, and naturalized in North America. It is an erect branched herb, covered throughout with cottony white hairs; the flowers are small and almost white, crowded in the axils of the leaves; the smell is aromatic and the flavor bitter. It is much used as a remedy for coughs and throat-troubles.
    • n hoarhound The black or stinking hoarhound, Ballota nigra, a common European weed in waste places near towns and villages. The flowers are purple, and the whole plant is fetid and unattractive.
    • n hoarhound The water-hoarhound, one of various species of Lycopus, particularly L. Europæus, a native of Europe.
    • ***
Chambers's Twentieth Century Dictionary
    • n Hoarhound hōr′hownd a plant of a whitish or downy appearance, used as a tonic.
    • ***


Chambers's Twentieth Century Dictionary
M. E. horehune—A.S. hárhúne, from hár, hoar or white, and húne (acc. to Skeat, meaning 'strong-scented'); cf. L. cunila, Gr. konilē, wild marjoram.


In literature:

Then came the doctor, to pronounce the entirely cheerful Dorothy unhurt, and to bestow upon her some hoarhound drops.
"Mother" by Kathleen Norris
How are catnip and hoarhound, snakeroot and tansy, selling to-day?
"After a Shadow, and Other Stories" by T. S. Arthur
Hoarhound is useful in consumptive complaints.
"The American Frugal Housewife" by Lydia M. Child
Other medicines used were hoarhound tea, catnip tea, and castor oil.
"Slave Narratives: A Folk History of Slavery in the United States From Interviews with Former Slaves: Volume IV, Georgia Narratives, Part 1" by Work Projects Administration
This is variously known as Water-hoarhound and Water-bugle.
"The People's Common Sense Medical Adviser in Plain English" by R. V. Pierce
Dey dosed 'em up wid oil and turpentine and give 'em teas made out of hoarhound for some mis'ries and bone-set for other troubles.
"Slave Narratives: A Folk History of Slavery in the United States From Interviews with Former Slaves" by Work Projects Administration
Then Peaches, being a student of natural history, insisted that I take some hoarhound, I suppose to bite the dogberry, but it didn't.
"You Should Worry Says John Henry" by George V. Hobart
Bees are very partial to hoarhound nectar, and make a pleasing honey from the flowers where these are abundant.
"Culinary Herbs: Their Cultivation Harvesting Curing and Uses" by M. G. Kains
"Mysteries of Bee-keeping Explained" by M. Quinby
The thing advertised was an article called "Pease's Hoarhound Candy;" a very good specific for coughs and colds.
"The Humbugs of the World" by P. T. Barnum
Flavor with Essence of Rose, or Peppermint, or finely powdered Hoarhound.
"One Thousand Secrets of Wise and Rich Men Revealed" by C. A. Bogardus
Afterwards give good, dry, nourishing food; and bitter infusions, chamomile flowers, hoarhound, oak bark, &c., in beer.
"Domestic Animals" by Richard L. Allen
Same as Hoarhound, except make a liquor of Boneset instead of Hoarhound.
"Frye's Practical Candy Maker" by George V. Frye