noun
: an enclosed space within which a jet of air is made to impinge upon an airplane model in free flight for investigating the effects of atmospheric gusts upon the flight of airplanes
noun
: an enclosed space within which a jet of air is made to impinge upon an airplane model in free flight for investigating the effects of atmospheric gusts upon the flight of airplanes
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012