adjective.
Designed with rounded edges so as to reduce wind drag and thereby increase fuel efficiency. Used especially of motor vehicles.
The Century Dictionary and Cyclopedia
Relating or pertaining to the force of air and gases in motion.
the GNU version of the Collaborative International Dictionary of English
adjective.
Pertaining to the force of air in motion.
adjective.
having a shape designed to minimize wind resistance (aerodynamic drag) when moving through the air or other gas; -- used especially of vehicles.