Definitions
1.nounA fever which recurs every day; quotidian malaria.
2.nounA daily allowance formerly paid to certain members of the clergy.
3.noun(usually with definite article) Commonplace or mundane things regarded as a class.
4.adjectiveRecurring every twenty-four hours or (more generally) daily (of symptoms, etc).
5.adjectiveHappening every day; daily.
6.adjectiveHaving the characteristics of something which can be seen, experienced, etc, every day or very commonly; commonplace, ordinary, mundane.