• WordNet 3.6
    • adj tertian of or relating to a tonal system based on major thirds "a tertian tonal system"
    • adj tertian relating to symptoms (especially malarial fever) that appear every other day "tertian fever"
    • ***
Webster's Revised Unabridged Dictionary
    • Tertian (Med) A disease, especially an intermittent fever, which returns every third day, reckoning inclusively, or in which the intermission lasts one day.
    • Tertian A liquid measure formerly used for wine, equal to seventy imperial, or eighty-four wine, gallons, being one third of a tun.
    • a Tertian (Med) Occurring every third day; as, a tertian fever.
    • ***
Century Dictionary and Cyclopedia
    • tertian Occurring every second day: as, a tertian fever.
    • n tertian A fever or other disease whose paroxysms return after a period of two days, or on the third day, reckoning both days of consecutive occurrence; an intermittent whose paroxysms occur after intervals of about forty-eight hours.
    • n tertian In organ-building, a stop consisting of a tierce and a larigot combined.
    • n tertian A measure of 84 gallons, the third part of a tun.
    • n tertian A curve of the third order.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Tertian tėr′shi-an occurring every third day
    • n Tertian an ague or fever with paroxysms every third day
    • ***


Webster's Revised Unabridged Dictionary
L. tertianus, from tertius, the third. See Tierce


In literature:

I was seized by a severe tertian fever at Mazaro, but went along the right bank of the Mutu to the N.N.E.
"Missionary Travels and Researches in South Africa" by David Livingstone
I went this summer to Forges, to try, by means of the waters there, to get rid of a tertian fever that quinquina only suspended.
"The Memoirs of Louis XIV., His Court and The Regency, Complete" by Duc de Saint-Simon
I had gone forth to visit Dame Clatworthy, who hath the tertian ague, and they did beset me on my return.
"Micah Clarke" by Arthur Conan Doyle
The ague had then changed into a "double tertian," with two fits in the twenty-four hours, both extremely weakening.
"The Life of John Milton, Volume 5 (of 7), 1654-1660" by David Masson
But what more regular than a tertian or quartan fever?
"Ten Great Religions" by James Freeman Clarke
Periods of diurnal fever, hectic fever, quotidian, tertian, quartan fever.
"Zoonomia, Vol. I" by Erasmus Darwin
His reply was a chattering curse, not upon Falconnet or the Indians, but upon his malady, the tertian fever.
"The Master of Appleby" by Francis Lynde
He was seized with a slow fever, which changed into a tertian ague.
"The History of England in Three Volumes, Vol.I., Part E. From Charles I. to Cromwell" by David Hume
Physicians skilled in magic applied three seeds of three-leaved grass to tertian ague, and four to a quartian.
"The Mysteries of All Nations" by James Grant
From this I contracted a severe cold, which ended in a tertian ague.
"Boswell's Correspondence with the Honourable Andrew Erskine, and His Journal of a Tour to Corsica" by James Boswell
Anasarcous legs and symptoms of hydrothorax, consequent to a tertian ague.
"An Account of the Foxglove and some of its Medical Uses" by William Withering
If this fever did not leave him, he must try blood-letting on himself, as though in a tertian.
"Dreamers of the Ghetto" by I. Zangwill
The command was taken by Cortes himself, although he was suffering from the tertian ague.
"The Memoirs of the Conquistador Bernal Diaz del Castillo, Vol 1 (of 2)" by Bernal Diaz del Castillo
I was wrecked there once in an Austrian Lloyd's steamer, and caught a tertian fever before I could get away.
"The Bramleighs Of Bishop's Folly" by Charles James Lever
According to that minister, the king, when he received the tidings, lay ill of a tertian fever at Segovia.
"History of the Reign of Philip the Second, King of Spain." by William H. Prescott
AGUE, tertian, dog suffering from, i.
"The Descent of Man and Selection in Relation to Sex" by Charles Darwin
The periodicity in one of the genuine cases was regular tertian, in the other regular quotidian.
"Neuralgia and the Diseases that Resemble it" by Francis E. Anstie
The pain brought on a tertian fever, and on the fourth fit he expired, and rendered his soul to God on the morrow of St. Brice.
"The Chronicle of Jocelin of Brakelond: A Picture of Monastic Life in the Days of Abbot Samson" by Jocelin de Brakelond
In the simple Tertian, or third Day's Fever, the Fits return every other Day; so that three Days include one Paroxysm, and the Return of another.
"Advice to the people in general, with regard to their health" by Samuel Auguste David Tissot
For tertian fever, the rod is an admirable specific.
"Curiosities of Olden Times" by S. Baring-Gould

In news:

AGUE, tertian fever, quartan fever, paludism.