from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Recurring every other day or, when considered inclusively, every third day: a tertian fever.
- n. Pathology A tertian fever, such as vivax malaria.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of a fever, characterised by paroxysms every third day.
- adj. Pertaining to the mean-tone temperament, in which major thirds are perfectly in tune.
- n. A tertian fever.
- n. The puncheon, an old wine cask, three of which made a tun.
from the GNU version of the Collaborative International Dictionary of English
- adj. Occurring every third day.
- n. A disease, especially an intermittent fever, which returns every third day, reckoning inclusively, or in which the intermission lasts one day.
- n. A liquid measure formerly used for wine, equal to seventy imperial, or eighty-four wine, gallons, being one third of a tun.
from The Century Dictionary and Cyclopedia
- Occurring every second day: as, a tertian fever.
- n. 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. In organ-building, a stop consisting of a tierce and a larigot combined.
- n. A measure of 84 gallons, the third part of a tun.
- n. A curve of the third order.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. relating to symptoms (especially malarial fever) that appear every other day
- adj. of or relating to a tonal system based on major thirds
Middle English terciane, tertian fever, from Latin (febris) tertiāna, (fever) of the third (day), from tertius, third; see trei- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Originally Middle English as part of the collocation fever cum terciane, after Latin febris cum tertiana, from tertius ("third"). (Wiktionary)