noun
: a pilot who specializes in putting new or experimental airplanes through maneuvers designed to test them (as for strength or controllability) by producing strains in excess of normal
noun
: a pilot who specializes in putting new or experimental airplanes through maneuvers designed to test them (as for strength or controllability) by producing strains in excess of normal
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012