closingwatch

noun
UK /ˈkləʊzɪŋ wɒtʃ/
US /ˈkloʊzɪŋ wɑːtʃ/

A closingwatch is the last turn of watching or guarding something before it is shut for the day.

The guard took the closingwatch at the museum gate before locking up.


OTHER MEANINGS

2. The final period of attention given to a task before finishing it.

She gave the report a closingwatch to catch any last mistakes.

3. A last look at a place or thing before leaving it.

He did a closingwatch over the empty classroom before turning off the lights.

4. The person who keeps the last watch of the day.

The closingwatch rang the bell to signal the end of the day.