Definify.com
Webster 1913 Edition
Crus
‖
Crus
(kr?s)
, Noun.
pl.
Crura
(kr[GREEK]′r[GREEK])
. [L., the leg.]
(Anat.)
(a)
That part of the hind limb between the femur, or thigh, and the ankle, or tarsus; the shank.
(b)
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