chandelle
    n 1: a flight maneuver consisting of a steep climbing turn
         executed to gain altitude while changing direction
    v 1: climb suddenly and steeply; "The airplane chandelled"

chandelle \chandelle\ n. (Aeronautics)
   an abrupt climbing turn made by an airplane, in which the
   plane's momentum is used to achieve a higher than normal rate
   of climb, without stalling the aircraft.
   [PJC]

chandelle \chandelle\ v. i.
   to perform a chandelle, as of an airplane.
   [WordNet 1.5]