mcol>'92olian harp, '92olian lyre, a musical instrument consisting of a box, on or in which are stretched strings, on which the wind acts to produce the notes; -- usually placed at an open window. Moore. -- '92olian mode (Mus.), one of the ancient Greek and early ecclesiastical modes.>A*'89`ri*al"i*ty (#), n. The state of being a'89rial; nsubstantiality. [R.]De Quincey.