hands-free gesture
noun phraseUK /ˌhændz ˈfriː ˈdʒes.tʃə/
US /ˌhændz ˈfriː ˈdʒes.tʃɚ/
A hands-free gesture is a way to control something by moving your body without touching it.
She changed the song with a hands-free gesture, waving her hand in the air.
OTHER MEANINGS
2. A hand movement used to give a command to a device from a distance.
He turned up the volume with a hands-free gesture across the screen.
3. A body signal that lets you use a machine without pressing buttons.
The game lets you play with hands-free gestures instead of a controller.
4. A motion captured by a camera or sensor to operate technology.
The car's hands-free gesture opened the trunk when she kicked her foot.