n. [ F. havresac, G. habersack, sack for oats. See 2d Haver, and Sack a bag. ] [ 1913 Webster ]
1. A bag for oats or oatmeal. [ Prov. Eng. ] [ 1913 Webster ]
2. A bag or case, usually of stout cloth, in which a soldier carries his rations when on a march; -- distinguished from knapsack. [ 1913 Webster ]
3. A gunner's case or bag used to carry cartridges from the ammunition chest to the piece in loading. [ 1913 Webster ]