ˈdog-biscuit
a. Biscuit for feeding dogs.
| 1858 Simmonds Dict. Trade, Dog-biscuit, coarse waste or broken biscuits sold for feeding dogs. 1870 D. P. Blaine Encycl. Rural Sports §1502 Dog-biscuits are continually advertised in the London papers. 1879 H. Dalziel Dis. Dogs 7. |
b. Military slang. = biscuit 1 b (b).
| 1925 Fraser & Gibbons Soldier & Sailor Words 79 Dog biscuit, an old Army term for the Army mattresses. |