The definition of maintenance is providing support or upkeep to something.
(noun)An example of maintenance is a janitor keeping a school clean.
See maintenance in Webster's New World College Dictionary
noun
Origin: ME maintenaunce < OFr maintenance
See maintenance in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English maintenaunce
Origin: , from Old French maintenance
Origin: , from maintenir, to maintain; see maintain
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