first-aid box

first-aid box (plural first-aid boxes)

1. A box containing first aid and medical supplies.
   • 1940 December, Charles E. Lee, “The Wenford Mineral Line”, in Railway Magazine, page 643:

     It consists exclusively of loose-coupled open mineral wagons and a guard's brake van; owing to the isolation of the branch the last-named is equipped with a first aid box and a jack, to enable any emergency to be dealt with rapidly.

• first aid kit