D defs.my
Entry 2 senses Webster, 1913

Aerodynamic

/âr′-ō-dī-nă′-mĭk/ · Aer·o·dy·nam·ic · IPA /ˌɛɹ.oʊ.daɪˈnæ.mɪk/
01 a. Pertaining to the force of air in motion.
  1. 1.
    Pertaining to the force of air in motion.
  2. 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.