Canteen

1. A small vessel used by soldiers or hikers for carrying water, liquor, or other drink.
2. A chest containing culinary and other vessels for military officers in a garrison.
3. The sutler's shop in a garrison.
4. A temporary location where food is dispensed during an emergency.

In 1910 in the English service the canteen is made of wood and holds three pints; in the United States it is usually a tin flask.