The definition of a crusade is an effort or movement against abuse, particularly the Crusades which were military expeditions by European Christians in the 11th, 12th and 13th centuries to get back land the Holy Land from the Muslims.(noun)
An example of a crusade is a rebellion against an evil leader.
To crusade is defined as to rebel against an unfair practice.(verb)
An example of to crusade is to fight for equal rights for women.
See crusade in Webster's New World College Dictionary
Origin: < Sp cruzada, altered after Fr croisade, both < ML cruciata < pp. of cruciare, to mark with a cross < L crux, cross
See crusade in American Heritage Dictionary 4
Origin: French croisade and Spanish cruzada, both ultimately from Latin crux, cruc-, cross.
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