gar·ri·son / ˈgarəsən/ • n. the troops stationed in a fortress or town to defend it. ∎  the building occupied by such troops.• v. [tr.] provide (a place) with a body of troops: troops are garrisoned in the various territories. ∎  [tr.] station (troops) in a particular place: Soviet forces were garrisoned in Lithuania.

garrison †treasure, gift XIII; †defence XIV; †fortress; defensive force in a fortress XV. — OF. garison defence, safety, provision, store, f. garir defend, furnish — Gmc. *warjan defend (OE., OS., OHG. werian, ON. verja, Goth. warjan). Infl. by †garnison XIV — OF., f. garnir fit out, GARNISH.
Hence vb. furnish with, station as, a garrison XVI; occupy as a garrison XVII.

Garrison

a body of soldiers stationed at a town or place; a store or treasure.

Examples: garrisons of gold, 1450; of knights, 1526.