back home

back home

1. Having returned to one's home. We should be back home by 9 PM. I wonder if Tom and the kids are already back home.
2. In one's hometown. The food here is pretty good, but the barbecue back home beats it by a mile!
See also: back, home
Farlex Dictionary of Idioms.

*back (some place)

returned to some place; at some place again. (*Typically: be ~; get ~; arrive ~.) I can't wait till we get back home. When will we get back? Is it much farther?

*back

(at someone) repaying someone for a bad deed. (*Typically: get ~; have ~.) Tom called me a jerk, but I'll get back at him. I don't know how I'll get back for her insult, but I will.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

back

n. one’s support or second in a fight. (From back-up.) I need a back I can depend on.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • back
  • back at (something or some place)
  • break one's neck, to
  • carry (one) back
  • carry back
  • back to the salt mines
  • back in harness
  • back in(to) (the) harness
  • come back
  • comeback