Defn: Of or pertaining to the thigh or leg, or to any of the parts called crura; as, the crural arteries; crural arch; crural canal; crural ring.
CRUS Crus (krs), n.; pl. Crura (kr. Etym: [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.
CRUSADE Cru*sade" (kr-sd"), n. Etym: [F. croisade, fr. Pr. crozada, or Sp cruzada, or It. crociata, from a verb signifying to take the cross, mark one's self with a cross, fr. L. crux cross; or possibly taken into English directly fr. Pr. Cf. Croisade, Crosado, and see Cross.]
1. Any one of the military expeditions undertaken by Christian powers, in the 11th, 12th, and 13th centuries, for the recovery of the Holy Land from the Mohammedans.
2. Any enterprise undertaken with zeal and enthusiasm; as, a crusade against intemperance.
3. A Portuguese coin. See Crusado.
CRUSADE
Cru*sade", v. i. [imp. & p. p. Crusaded; p. pr. & vb. n. Crusading.]
Defn: To engage in a crusade; to attack in a zealous or hot-headed manner. "Cease crusading against sense." M. Green.
CRUSADER
Cru*sad"er (-s"dr), n.
Defn: One engaged in a crusade; as, the crusaders of the Middle Ages.
Azure-eyed and golden-haired, Forth the young crusaders fared.
Longfellow.