Definition of "alley"

alley¹

/ˈæ.li/

noun
plural alleys
1. A narrow street or passageway, especially one through the middle of a block giving access to the rear of lots of buildings.
2. (baseball) The area between the outfielders.
3. (bowling) An establishment where bowling is played.
4. (bowling) An elongated wooden strip of floor along which a bowling ball is rolled.
5. (tennis) The extra area between the sidelines or tramlines on a tennis court that is used for doubles matches.
6. A walk or passage in a garden or park, bordered by rows of trees or bushes.
  Quotations
  I know each lane and every alley green.
  1634 October 9 (first performance), [John Milton], edited by H[enry] Lawes, A Maske Presented at Ludlow Castle, 1634: […], London: […] [Augustine Matthews] for Hvmphrey Robinson, […], published 1637; reprinted as Comus: […] (Dodd, Mead & Company’s Facsimile Reprints of Rare Books; Literature Series; no. I), New York, N.Y.: Dodd, Mead & Company, 1903,
7. A passageway between rows of pews in a church.
8. (perspective drawing) Any passage having the entrance represented as wider than the exit, so as to give the appearance of length.
9. The space between two rows of compositors' stands in a printing office.

alley²

/ˈæ.li/

noun
plural alleys
1. A marble (small ball used in games).