kit bag

a small bag or knapsack, as for a soldier.

Origin of kit bag

First recorded in 1895–1900

An English kitbag, battered and scarred, swung heavily from his hand.

The Drums Of Jeopardy |Harold MacGrath
The sight of a Territorial with a kitbag completed his recovery.

Punch or the London Charivari, Vol. 147, September 23, 1914 |Various
"Well, that finishes our work," the large young man said, going to a kitbag in the corner of the cabin and getting out a bottle.

Uller Uprising |Henry Beam Piper, John D. Clark and John F. Carr
“I thought you said Hollingworth had a pretty wife,” tranquilly rejoined the other, digging into his kitbag for a towel.

John Ames, Native Commissioner |Bertram Mitford

From the bottom of the kitbag he dug up a blue velours case, which after a moment's hesitation he opened.

The Drums Of Jeopardy |Harold MacGrath

kitbag

/ (ˈkɪtˌbæɡ) /

a canvas or other bag for a serviceman's kit