Definitions
1.NounAn overnight lodging place for travelers, with dormitory accommodation and shared facilities, especially a youth hostel."a rundown hostel"
2.NounA temporary refuge for the homeless providing a bed and sometimes food.
3.NounA small, unendowed college in Oxford or Cambridge.
4.NounA public hotel.
5.NounA university or school dormitory, a place of accommodation for students.
6.VerbTo stay in a hostel during one's travels.
7.VerbTo lodge (a person) in a hostel.