noun
: a pipe-organ stop sounding pitches other than those indicated by the notes or one of their octaves (as a fifth, a twelfth) — compare foundation stop
noun
: a pipe-organ stop sounding pitches other than those indicated by the notes or one of their octaves (as a fifth, a twelfth) — compare foundation stop
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012