- The definition of a janitor is someone in charge of cleaning a building and doing routine repairs.
An example of a janitor is a person who cleans up a school building.
A janitor cleaning the floor.
- Now Rare a doorman or doorkeeper
- the custodian of a building, who maintains the heating system, does routine repairs, general cleaning, etc.
Origin of janitorClassical Latin doorkeeper ; from janua, door ; from janus, arched passageway: see Janus
- One who attends to the maintenance or cleaning of a building.
- A doorman.
Origin of janitorLatin iānitor, doorkeeper, from iānua, door, from iānus, archway; see ei- in Indo-European roots.
(plural janitors) (female: janitress or janitrix (rare))
Latin ianitor (doorkeeper)