motionlights
nounUK /ˈməʊʃən laɪts/
US /ˈmoʊʃən laɪts/
Lights that turn on by themselves when something moves nearby.
The motionlights in the hallway switched on as soon as I walked past.
OTHER MEANINGS
2. Outdoor lights that detect movement to scare away intruders.
We installed motionlights above the garage door for safety.
3. A feature in a video game where lights react to player movement.
The game's motionlights made the dark cave feel alive.
4. Small night lights that glow when someone walks by.
The motionlights along the stairs help Grandpa see at night.