keysupervision
nounUK /ˌkiːsjuːpəˈvɪʒən/
US /ˌkiːsuːpərˈvɪʒən/
The act of watching over keys to make sure they are safe and used correctly.
The hotel manager kept keysupervision over all the room keys at the front desk.
OTHER MEANINGS
2. The job of checking that keys are returned after use.
Keysupervision at the car rental counter prevents lost keys.
3. A system for tracking who holds each key.
The school uses keysupervision to know which teacher has the gym key.
4. Careful watching of master keys to stop them from being copied.
Strict keysupervision keeps the building's master keys out of the wrong hands.