stand-in

noun
UK /ˈstænd ɪn/
US /ˈstænd ɪn/

A stand-in is a person who takes someone else's place for a while.

The actor's stand-in waited on set while the lights were fixed.


OTHER MEANINGS

2. A person who does another person's job for a short time.

She acted as a stand-in for the manager during the meeting.

3. A person who looks like a famous actor and does simple scenes for them.

The movie star used a stand-in for the wide shots.

4. Something used in place of another thing for a short time.

This box is just a stand-in for a real table.