tapper
    n 1: a tavern keeper who taps kegs or casks [syn: tapster,
         tapper]
    2: a person who strikes a surface lightly and usually
       repeatedly; "finger tappers irritated her"
    3: a worker who uses a tap to cut screw threads
    4: someone who wiretaps a telephone or telegraph wire [syn:
       tapper, wiretapper, phone tapper]
    5: a dancer who sounds out rhythms by using metal taps on the
       toes and heels of the shoes [syn: tap dancer, tapper]

Tapper \Tap"per\, n. (Zool.)
   The lesser spotted woodpecker (Dendrocopus minor); --
   called also tapperer, tabberer, little wood pie,
   barred woodpecker, wood tapper, hickwall, and pump
   borer. [Prov. Eng.]
   [1913 Webster]