1. a gapped scale with five notes; usually the fourth and seventh notes of the diatonic scale are omitted; [syn: pentatonic scale, pentatone]
WordNet (r) 3.0 (2006):
pentatonic scale
n 1: a gapped scale with five notes; usually the fourth and
seventh notes of the diatonic scale are omitted [syn:
pentatonic scale, pentatone]