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  1. The way the feet and legs should be turned out from the hip joints to give the freedom of movement necessary to perform the steps of classical ballet.
  2. The balletic stance in which the legs are rotated outward so that the legs (and feet) point in opposite directions. A dancer adopting this position is said to be "turned out." Usage varies, but most people seem to measure the degree of turn-out by the angle between the foot and the mid-saggital plane of the body. The ideal, with both feet in a straight line, is thus 90 degrees of turn-out. Turn-out must begin at the hip; forcing the feet and letting everything else follow puts severe strain on the joints, especially the knees. Source: Vance's Fantastic - BALLET DICTIONARY