noun -
A counter is a flat surface or tabletop for the preparation or serving of food, often found in kitchens or restaurants.
noun -
Counter can also refer to a person or a machine that counts or keeps score.
noun -
In a retail setting, a counter can be a place where transactions occur between the customer and the cashier.
noun -
In the context of boxing or martial arts, a counter is a move made to offset or respond to an opponent's attack.
verb -
Counter can also mean to oppose or resist something.