tapper

noun

1. One who makes a tapping noise.

   “A low tap was heard at the room door. Mr. Bob Sawyer looked expressively at his friend, and bade the tapper come in[…]”

2. A tap-dancer.
3. A wiretapper.
4. (slang)A weakly hit ground ball.
5. In early wireless telegraphs, a device used to shake loose the filings of a coherer.
6. (British, dialectal)The lesser spotted woodpecker.
7. (US)A tapster.
8. An assistant in the sport of paraswimming who taps blind or visually impaired swimmers with a pole to indicate when they should turn around.

name

1. A surname originating as an occupation for an innkeeper or wine merchant.