'Janitor' definitions:

Definition of 'janitor'

(from WordNet)
noun
Someone employed to clean and maintain a building

Definition of 'Janitor'

From: GCIDE
  • Janitor \Jan"i*tor\, n. [L., fr. janua a door.]
  • 1. A door-keeper; a porter. [Archaic] [1913 Webster PJC]
  • 2. One who is employed to care for a public building, or a building occupied for offices, suites of rooms, etc.; a caretaker; -- the duties may include removal of trash, cleaning of the rooms and public areas, and minor repairs. [1913 Webster PJC] Janitress