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]