Definition of "backcourt"

Some backcourts had wee outside buildings. They had caved-in roofs and tile chimneys broke off and all smashed windows.

2008, James Kelman, Kieron Smith, Boy, Penguin, published 2009, page 77

Each unique backcourt was an adventure playground with walls to be climbed, chasms to be leaped and dustbins to be raked through and pillaged.

2011 January 8, Brian McHugh, The Guardian

'The locus is Crawford Street?' 'One of the backcourts sir, as far as I understand.'

2022, Liam McIlvanney, The Heretic, page 16

So the Knicks, who began the season with a depleted frontcourt, have muddled through the last six weeks with a depleted backcourt as well.

2009 January 2, Howard Beck, “Knicks Will Continue to Be Walsh’s Work in Progress in 2009”, in New York Times‎