Pertaining to the leg or hind limb: as, a crural artery or vein; the anterior crural nerves; the crural arch, or Poupart's ligament.Pertaining to the leg proper, or crus, as distinguished from the thigh; cnemial; tibial.Pertaining to the crura or peduncles of the brain.Shaped like a leg or root.Of or pertaining to the crum. See crus.