custodian /ˌkʌˈstoʊdijən/ noun plural custodians
plural custodians
Learner's definition of CUSTODIAN
[count]
1
formal : someone who keeps and protects something valuable for another person看守人;保管人;看护人—
often + of —
often used figuratively常用作比喻 2
US : a person who cleans and takes care of a building : janitor看门人;门房