WordReference Random House Learner's Dictionary of American English © 2024ˈo•ver-the-ˈcount•er, adj. [usually: before a noun]- Businessnot listed on or not bought and sold through an organized securities exchange:over-the-counter stocks.
- Drugssold legally without a prescription:over-the-counter drugs.
Collins Concise English Dictionary © HarperCollins Publishers::
over-the-counter adj - (of securities) not listed or quoted on a stock exchange
- (of a security market) dealing in such securities
- (of security transactions) conducted through a broker's office directly between purchaser and seller and not on a stock exchange
- (of medicinal drugs) able to be sold without a prescription
Abbreviation: OTC