What is Counter ?
Counter is (noun) 1. a small round disc used in games You’ve thrown a six – you can move your counter six places. She placed a pile of counters on the board. 2. a long flat surface in a shop for showing goods for sale, or in a bank for passing over money The cheese counter is over there. She put her bag down on the counter and took out her cheque book. sold over the counter sold without a prescription from a doctor Some drugs are sold over the counter, but for most you need a prescription. sold under the counter sold illegally He sold the videos under the counter.(verb) to reply in an opposing way He accused her of theft and she countered with an accusation of sexual harassment.
source: Easier English, Student Dictionary Upper Intermediate Level