What is "backyards"

Usage examples of "backyards".

And, sure, he could design backyards, shopping mall atriums, office parks, even highway roadsides without Amanda.

He looked along the length of the shining black instrument, sighting on the house two backyards away, and especially on the pale, timid, excited face at the third-floor window.

Through the backyards of the neighboring houses I ran, ducking under pine branches.

The backyards bordered a single-lane service road which everyone called an alley.