cantonment

noun

1. a camp, usually of large size, where men are trained for military service.
2. military quarters.
3. the winter quarters of an army.

noun military (esp formerly)

1. a large training camp
2. living accommodation, esp the winter quarters of a campaigning army
3. history a permanent military camp in British India

n.

1756, “military quarters,” from French cantonnement, from cantonner “to divide into cantons” (14c.), from canton (see canton). Meaning “action of quartering troops” is from 1757.