a passage, as through a continuous row of houses, permitting access from the street to backyards, garages, etc.

a narrow back street.

a walk, as in a garden, enclosed with hedges or shrubbery.

Bowling .

a long, narrow, wooden lane or floor along which the ball is rolled.

( often plural ) a building for bowling.

bowling green.

Tennis . the space on each side of a tennis court between the doubles sideline and the service or singles sideline.

Rare . an aisle. ?

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.

noun

alleyway , back street , lane , passageway , path , pathway , walk , byway , cul-de-sac (blind alley) , passage , slum