Wiktionary
in back of
prep. (context North America English) behind
Usage examples of "in back of".
He huddled in back of another broken power tool, grateful for the heavy chunk of iron and steel that shielded him from flying death.
Mutt got in back of it himself and lay there, panting like a dog on a Mississippi summer day.
Then from in back of him came a long, ripping burst of fire that made him wonder for a dreadful instant how the Lizards had got round to his rear.