Definition of "tapper" in English

noun

1. One who makes a tapping noise.

2. A tap-dancer.

3. A wiretapper.

4. (baseball, slang) A weakly hit ground ball.

5. (telegraphy) In early wireless telegraphs, a device used to shake loose the filings of a coherer.

6. (British, dialect) The lesser spotted woodpecker.

7. (US) A tapster.

8. (sports) An assistant in the sport of paraswimming who taps blind or visually impaired swimmers with a pole to indicate when they should turn around.