Definition of alleys:
(n) :
A narrow street or passageway, especially one through the middle of a block giving access to the rear of lots of buildings.
(n) :
(bowling) An establishment where bowling is played.
(n) :
(baseball) The area between the outfielders.
(n) :
(tennis) The extra area between the sidelines or tramlines on a tennis court that is used for doubles matches.
(n) :
(bowling) An elongated wooden strip of floor along which a bowling ball is rolled.
(n) :
A walk or passage in a garden or park, bordered by rows of trees or bushes.