Tapper

Origin

tap + -er

Full definition of tapper

Noun

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