Alleyway (noun)

1. A narrow street or passage between or behind buildings, typically one providing access to the rear of properties.
2. A lane or path that runs behind buildings.

Origin:

A combination of alley and way which means a narrow street or passage between or behind buildings.

Examples:

1. He took a shortcut through the alleyway.
2. She walked down the dark alleyway.
3. The alleyway was a shortcut to the main street.
4. The alleyway was cluttered with trash.
5. The alleyway was a convenient way to get to the back entrance of the building.