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*hy`dro*dy*nam"ic (#), a. [A'89ro- + hydrodynamic.] Acting by the force of air and water; as, an a'89rohydrodynamic wheel.