a long flat-topped fitment across which business is conducted in a shop or bank or refreshments are served in a cafeteria

a small disc used in board games for keeping the score or as a place marker

a device used for counting

the counter tells you how many pictures you have taken

speak or act in opposition to

the second argument is more difficult to counter

a thing which opposes or prevents something else

the stimulus to employers' organization was partly a counter to growing union power

the curved part of the stern of a ship projecting aft above the waterline

the white space enclosed by a letter such as O or c

the back part of a shoe or boot, enclosing the heel