/gar"euh seuhn/ , n.
1. a body of troops stationed in a fortified place.
2. the place where such troops are stationed.
3. any military post, esp. a permanent one.
v.t.
4. to provide (a fort, town, etc.) with a garrison.
5. to occupy (a fort, post, station, etc.) with troops.
6. to put (troops) on duty in a fort, post, station, etc.
[ 1250-1300; ME garisoun protection, stronghold garison, gareison defense, provision, deriv. of garir, guerir to defend warjan ]