sunset
Definitions
The daily disappearance of the sun below the western horizon as a result of the earth's rotation.
The atmospheric phenomena, such as brilliant colors, occurring at the time the sun disappears below the horizon.
The time of day when the sun sets.
Examples
The sky turned a brilliant shade of orange during the sunset.
We sat on the beach and watched the beautiful sunset together.
The photographer waited all day to capture the perfect sunset over the mountains.