(US) Outside at the back.

The part of a restaurant etc. not open to the public.

(US, American football) In American football, a back – usually a running back – that gets the most carries and most yardage in a game.

(informal) A coward.

Alternative form of backshell

a long ridge between Guildford and Farnham in Surrey, England, traversed for much of its length by the A31 trunk road.

A sharp reply given to someone.

(informal) The act of patting oneself or someone else on the back.

Taxes that were not paid when due.

simple past tense and past participle of fight back