haversack Meaning, Definition & Usage

  1. noun a bag carried by a strap on your back or shoulder
    packsack; back pack; backpack; rucksack; knapsack.

WordNet

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

Webster 1913