Definition of "kitbag"

Besides, whilst he had been in hospital, practically the whole of his equipment had disappeared from his kitbag – including Sylvia's two pair of sheets! – and he had no money with which to get more.

1925, Ford Madox Ford, No More Parades (Parade's End), Penguin, published 2012, page 371

Others have abandoned their vehicles and have set off back towards the Russian border on foot, lugging their weapons and kitbags, videos suggest.

2022 March 4, Luke Harding, “Demoralised Russian soldiers tell of anger at being ‘duped’ into war”, in The Guardian‎