tertian

Etymology
From, , , originally often as part of the collocation , after. Compare the "" essence of.

Adjective

 * 1)  Characterised by paroxysms recurring every other day (that is, every third day by inclusive reckoning).
 * 2)  Pertaining to the mean-tone temperament, in which major thirds are perfectly in tune.
 * 1)  Pertaining to the mean-tone temperament, in which major thirds are perfectly in tune.

Noun

 * 1)  A tertian fever.
 * 2)  The puncheon, an old wine cask, whose  was  of a tun's.
 * 1)  The puncheon, an old wine cask, whose  was  of a tun's.
 * 1)  The puncheon, an old wine cask, whose  was  of a tun's.