A tavern keeper who taps kegs or casks.

synonym: tapster.

A person who strikes a surface lightly and usually repeatedly.

A worker who uses a tap to cut screw threads.

Someone who wiretaps a telephone or telegraph wire.

synonyms: phone tapper, wiretapper.

A dancer who sounds out rhythms by using metal taps on the toes and heels of the shoes.

synonym: tap dancer.