hav|er|sack «HAV uhr sak», noun.
a bag or pouch used by soldiers and hikers for carrying food, utensils, and other things when on a march or hike. It is usually carried at the side by a shoulder strap. »
We bore two days' rations in our haversacks (Arthur Conan Doyle).
╂[< French havresac < German Habersack (literally) sack for oats]
Useful english dictionary. 2012.