supervision-n; 2 Senses

Sense Number 1: watching something

Commentary: SUPERVISION[+event] The act of watching over or supervising something.

John's supervision of the department led to greatly decreased revenues.
Government supervision of the industry will begin on January 30th.
Without constant supervision, children will choke on their toys and die.

WordNet 2.0 Sense Numbers: 1

Sense Number 2: people who supervise

Commentary: Refers to the people doing the supervising.

I hired some supervision for the kids.
The store was under new supervision.

WordNet 2.0 Sense Numbers: -