airgesture
nounUK /ˈeəˌdʒes.tʃə/
US /ˈerˌdʒes.tʃɚ/
A way of controlling a device by moving your hand in the air without touching it.
She changed the song with a quick airgesture in front of the screen.
OTHER MEANINGS
2. A hand movement made in the air to show meaning, like waving hello.
He gave a friendly airgesture to greet us from across the street.
3. A gesture used in dance or performance that is not connected to a device.
The dancer's airgesture told the story without any words.
4. The act of pretending to touch or hold something that is not there.
She made an airgesture of opening a door that only she could see.