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`'89r*o*naut"ics (#), n. The science or art of ascending and sailing in the air, as by means of a balloon; a'89rial navigation; ballooning.