A streetlamp is a tall light by the road that helps people see at night.
Streetlamps make people think of safety and being able to see in the dark.
Examples:
The streetlamp is on at night.
I can see the streetlamp from my window.
The streetlamp shines very bright.
The streetlamp is friends with the moon.
The streetlamp is the tallest thing on the street.
The streetlamp helps me find my way home at night.