air sickness
    n 1: motion sickness experienced while traveling by air
         (especially during turbulence) [syn: airsickness, air
         sickness]

Aerial sickness \A*["e]"ri*al sick"ness\
   A sickness felt by a["e]ronauts due to high speed of flights
   and rapidity in changing altitudes, combining some symptoms
   of mountain sickness and some of seasickness. The nauseous
   symptoms similar to seasickness experienced by passengers in
   pressurized aircraft is called air sickness.
   [Webster 1913 Suppl. +PJC]

Air sickness \Air" sick"ness\
   A vomiting or nauseous feeling similar to seasickness
   experienced by passengers in aircraft; -- it is caused by
   motion and distinguished from the effects of low air
   pressure, as it may also occur in the pressurized cabins of
   large aircraft.
   [PJC]