Streetlight (noun)

A light that is installed on the side of a street to provide illumination at night.

Origin:

The term 'streetlight' originated in the 19th century and is derived from the combination of 'street' and 'light'.

Examples:

1. The streetlights along the road made it easy to see where she was going.
2. He noticed that several streetlights were out and reported it to the city.
3. She walked home late at night, guided by the streetlights.
4. The new streetlights are more energy-efficient and have a longer lifespan.
5. The streetlights were turned on at dusk and turned off at dawn.