1. A janitor or caretaker of a building, especially a school or apartment building.
Usage: informal; chiefly British

Examples

• The janny unlocked the school gates every morning at 7 a.m.
• She asked the janny to fix the broken radiator in her flat.
• The janny swept the hallway after the children left for the day.
• He worked as a janny for over twenty years at the local primary school.