Pronunciation: (kwō-tid'ē-un),[key] —adj. 1. daily: a quotidian report. 2. usual or customary; everyday: quotidian needs. 3. ordinary; commonplace: paintings of no more than quotidian artistry. 4. (of a fever, ague, etc.) characterized by paroxysms that recur daily.
—n. 1. something recurring daily.
2. a quotidian fever or ague.