'Custodian' definitions:

Definition of 'custodian'

From: WordNet
noun
One having charge of buildings or grounds or animals [syn: custodian, keeper, steward]

Definition of 'Custodian'

From: GCIDE
  • Custodian \Cus*to"di*an\ (k?s-t?"d?-an), n. [From Custody.] One who has care or custody, as of some public building; a keeper or superintendent. [1913 Webster]