Vivandière or cantinière is a French name for women attached to military regiments as sutlers or canteen keepers.

What is the meaning of vivandiere?

: a woman who is a sutler.

What it means Canteen?

1 : a store (as in a camp or factory) in which food, drinks, and small supplies are sold. 2 : a place of recreation and entertainment for people in military service. 3 : a small container for carrying water or another liquid a hiker's canteen.