Meaning of “counter” - Learner’s Dictionary

counter

noun [ C ] uk us /ˈkaʊntər/
IN A SHOP

B2 the place in a shop, bank, etc, where people are served:

The woman behind the counter took his money.
SURFACE US

a flat surface in a kitchen on which food can be prepared

DISC

a small disc used in some games that are played on a board

(Definition of “counter noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)