Eolian \E*o"li*an\, a. [See {[AE]olian}.] 1. [AE]olian. [1913 Webster] 2. (Geol.) Formed, or deposited, by the action of wind, as dunes. [1913 Webster] {Eolian attachment}, {Eolian harp}. See {[AE]olian}. [1913 Webster]