self-signal
nounUK /ˌself ˈsɪɡnəl/
US /ˌself ˈsɪɡnəl/
A self-signal is a sign you give yourself to show how you feel or what you need.
Feeling thirsty was a self-signal that told her to drink some water.
RELATED WORDS
OTHER MEANINGS
2. A signal that a machine or system sends to itself to check its own state.
The robot used a self-signal to confirm its battery was full.
3. A behavior an animal shows to itself or others that reflects its inner state.
The dog's tail wag was a self-signal of excitement.
4. In biology, a molecule a cell makes that acts on itself.
The cell released a self-signal to control its own growth.