n. - That part of the hind limb between the femur, or thigh, and
the ankle, or tarsus; the shank.
n. - Often applied, especially in the plural, to parts which are
supposed to resemble a pair of legs; as, the crura of the diaphragm, a
pair of muscles attached to it; crura cerebri, two bundles of nerve
fibers in the base of the brain, connecting the medulla and the
forebrain.