over-the-counter
adjective /ˌəʊvə ðə ˈkaʊntə(r)/
/ˌəʊvər ðə ˈkaʊntər/
(abbreviation OTC)
[only before noun]- (of drugs and medicines) that can be obtained without a prescription (= a written order from a doctor)
- (business, North American English) (of stocks and shares) not appearing in an official stock exchange list