Noun
A bag for oats or oatmeal.
A bag or case, usually of stout cloth, in which a soldier carries his rations when on a march; -- distinguished from knapsack.
A gunner's case or bag used carry cartridges from the ammunition chest to the piece in loading.
Source: Webster's dictionaryResting on her knees was a nylon haversack. Source: Internet
You can take up to 20 kg of fishing equipment with you to include either one bait box, one haversack, one fishing basket or one box per flight. Source: Internet