American Dictionary of the English Language

REVOCA'TION, noun [Latin revocatio.]

1. The act of recalling or calling back; as the revocation of Calvin.

2. State of being recalled.

3. Repeal; reversal; as the revocation of the edict of Nantz. A law may cease to operate without an express revocation so we speak of the revocation of a will, of a use, of a devise, etc.