long-stay
adjective /ˈlɒŋ steɪ/
  /ˈlɔːŋ steɪ/
[usually before noun]- likely to need treatment or care for a long time
- long-stay patients
 - long-stay hospitals/institutions/wards (= for long-stay patients)
 
 - for people who wish to park their cars for a long period
- long-stay parking