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*dy*nam"ics (#), n. [A'89ro- + dynamics: cf. F. a'82rodynamique.] The science which treats of the air and other gaseous bodies under the action of force, and of their mechanical effects.