tapper

noun

1. a tavern keeper who taps kegs or casks

   noun.person

   Synonyms tapster

   Source: WordNet 3.0

2. a person who strikes a surface lightly and usually repeatedly

   noun.person

   Examples

   Finger tappers irritated her.

   Source: WordNet 3.0

3. a worker who uses a tap to cut screw threads

   noun.person

   Source: WordNet 3.0

4. someone who wiretaps a telephone or telegraph wire

   noun.person

   Synonyms phone tapper wiretapper

   Source: WordNet 3.0

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

   noun.person

   Synonyms tap dancer

   Source: WordNet 3.0

6. The lesser spotted woodpecker (<i>Dendrocopus minor</i>); -- called also <i>tapperer</i>, <i>tabberer</i>, <i>little wood pie</i>, <i>barred woodpecker</i>, <i>wood tapper</i>, <i>hickwall</i>, and <i>pump borer</i>.

   noun

   Source: webster1913