auto-halt
nounUK /ˈɔːtəʊ hɔːlt/
US /ˈɔːtoʊ hɔːlt/
A machine that stops by itself when something goes wrong.
The roller coaster has an auto-halt that kicks in if a gate is left open.
RELATED WORDS
OTHER MEANINGS
2. A feature that makes a computer program stop running on its own.
The script's auto-halt saved the server from crashing.
3. An automatic pause in a game or video.
The game's auto-halt paused play when the controller disconnected.
4. A command that stops a process without a person pressing anything.
Engineers added an auto-halt to the robot arm for safety.