This is a transliteration into Tagalog of the English word.
gá·ri·són
garrison
Garrison is the collective term for any body of troops stationed in a particular location, originally to guard it, but now often simply using it as a home base.
The garrison is usually in a city, town, fort, castle, ship or similar.
MGA KAHULUGAN SA TAGALOG
gárisón: pangkat ng mga kawal na nakaestasyon sa isang himpilan o bayan para ipagtanggol ito
gárisón: ang gusali na tiráhan ng gayong pangkat ng mga kawal
