tapper
nounOne that taps.
nounOne who or that which operates a screw-cutting tap for threading holes.
nounA hammer for striking a bell or chime.
nounA device for restoring a coherer to its normal resistance, after this has been affected by electric oscillations, by means of a series of slight mechanical shocks.
nounOne who taps or draws liquor; a tapster; specifically, an innkeeper.
nounOne who or that which taps or strikes.
nounThe lesser spotted woodpecker (
One who
A
A phone tapper or