ETYM French havresac, German habersack, sack for oats. Related to Haver, and Sack a bag.
1. A bag or case, usually of stout cloth, in which a soldier carries his rations when on a march; -- distinguished from knapsack.
2. Any large bag used for carrying clothing and supplies; SYN. duffle bag.
3. A gunner's case or bag used carry cartridges from the ammunition chest to the piece in loading.
Bag worn over the shoulder for carrying provisions.
(chiefly British) An often cloth traveling case or bag