n. [ Aëro- + dynamics: cf. F. aérodynamique. ] The science which treats of the air and other gaseous bodies under the action of force, and of their mechanical effects. [ 1913 Webster ]
a. 1. Pertaining to the force of air in motion. [ 1913 Webster ]
2. having a shape designed to minimize wind resistance (aerodynamic drag) when moving through the air or other gas; -- used especially of vehicles; as, the aerodynamic styling of an automobile. [ PJC ]