drop-in
adjective /ˈdrɒp ɪn/
/ˈdrɑːp ɪn/
[only before noun]- able to be visited without arranging a fixed time first
- There is a drop-in clinic every Tuesday offering advice on sexual health.
- a drop-in yoga class
- drop-in daycare
Oxford Collocations DictionaryDrop-in is used with these nouns:- session