1. Atmospheric phenomena accompanying the daily disappearance of the sun.
2. The daily event of the sun sinking below the horizon.
3. The time in the evening at which the sun begins to fall below the horizon; SYN. sundown.

Of a declining industry or technology
Providing for termination

1. City in Utah (USA).
2. Town in Arkansas (USA).
3. Town in Louisiana (USA).
4. Unincorporated community in Florida (USA).