tapper

English

Etymology

tap +‎ -er

Noun

tapper (plural tappers)

1. One who taps
   • Charles Dickens, The Pickwick Papers

     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 phone tapper or wiretapper
4. (US) A tapster
5. (telegraphy) In early wireless telegraphs, a device used to shake loose the filings of a coherer.
6. (UK, dialect) The lesser spotted woodpecker.