lighttap
nounUK /ˈlaɪt.tæp/
US /ˈlaɪt.tæp/
A lighttap is a very soft, gentle touch or hit.
She gave the door a lighttap to see if anyone was home.
OTHER MEANINGS
2. A small, quick press on a screen or button.
He gave the app icon a lighttap to open it.
3. A soft sound made by tapping something gently.
I heard a lighttap on the window during the rain.
4. A gentle way to get someone's attention.
She gave his shoulder a lighttap to say hello.