| 1. | a passage, as through a continuous row of houses, permitting access from the street to backyards, garages, etc. |
| 2. | a narrow back street. |
| 3. | a walk, as in a garden, enclosed with hedges or shrubbery. |
| 4. | Bowling.
|
| 5. | Tennis. the space on each side of a tennis court between the doubles sideline and the service or singles sideline. |
| 6. | Rare. an aisle. |
| 7. | up or down one's alley, Informal. in keeping with or satisfying one's abilities, interests, or tastes: If you like science fiction, this book will be right up your alley. |

alley
In addition to the idiom beginning with alley, also see blind alley; right up one's alley.