What is the meaning of Alley?

A narrow street or passageway, especially one through the middle of a block giving access to the rear of lots of buildings.

The area between the outfielders.

An establishment where bowling is played.

An elongated wooden strip of floor along which a bowling ball is rolled.

The extra area between the sidelines or tramlines on a tennis court that is used for doubles matches.

A walk or passage in a garden or park, bordered by rows of trees or bushes.

A passageway between rows of pews in a church.

Any passage having the entrance represented as wider than the exit, so as to give the appearance of length.

The space between two rows of compositors' stands in a printing office.

A group of clowns; the collective noun for clowns.

A marble (small ball used in games).

Source: wiktionary.org