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Meaning of quintan

quin•tan

Pronunciation: (kwin'tn), [key]
— adj.
  1. (of a fever, ague, etc.) characterized by paroxysms that recur every fifth day.
—n.
  1. a quintan fever or ague.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.