The act of the court by which a judgment is so far annulled that it cannot be executed, but which still retains some qualities of a judgment; as, for example, its binding operation or lien upon the real estate of the defendant. 2. The opening of the judgment takes place when some person having an interest makes affidavit to facts, which if true would render the execution of such judgment inequitable. The judgment is opened so as to be in effect an award of a collateral issue to try the facts alleged in the affidavit.