Refers to classical Japanese dance forms, often used interchangeably with 日本舞踊 (にほんぶよう).
See also: 日本舞踊
She is learning traditional Japanese dance.
There will be a recital of traditional Japanese dance next month.
Compound of 日本 (にほん, 'Japan') and 踊 (おどり, 'dance'). The exact historical derivation is uncertain, but the term straightforwardly describes traditional Japanese dance.