constantsign
nounUK /ˈkɒnstənt saɪn/
US /ˈkɑːnstənt saɪn/
A constantsign is a sign that stays the same and never changes.
The constantsign on the door always shows the same picture, no matter what day it is.
OTHER MEANINGS
2. A mathematical symbol whose value does not change.
In the equation, the constantsign stood for a number that never changed.
3. A traffic or road sign that is always displayed in the same place.
Drivers rely on the constantsign at the corner to know the speed limit.
4. A recurring signal in a pattern that repeats without variation.
The lighthouse's constantsign warned ships every night.