self-timer
nounUK /ˌself ˈtaɪmə/
US /ˌself ˈtaɪmər/
A self-timer is a button on a camera that waits a few seconds before taking the picture.
She set the self-timer and ran to join her friends in the photo.
RELATED WORDS
OTHER MEANINGS
2. A built-in feature that automatically releases a camera's shutter after a set delay.
Use the self-timer to avoid shaking the camera when you press the button.
3. A device or setting that starts a process automatically after a chosen period.
The oven's self-timer turned off the heat after thirty minutes.
4. A countdown function on a phone or app that triggers an action after a delay.
He used the self-timer on his phone to snap a picture of the whole group.