Definition: 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.
Definition: Any enterprise undertaken with zeal and enthusiasm; as, a
crusade against intemperance.
Definition: A Portuguese coin. See Crusado.
Definition: To engage in a crusade; to attack in a zealous or
hot-headed manner.