trommelaar

Etymology
From the root of trommelen 'to drum, ruffle' (from trommel 'a drum') + -aar '-er'

Noun

 * 1) drummer, percussionist
 * 2) someone who drums (nervously) with his fingers
 * 3)  an animal which drums, drills or makes a similar sound, notably a woodpecker, a cockroach and a trumpeter (trumpeter pigeon)