The Collaborative International Dictionary
Works of supererogation
Supererogation \Su`per*er`o*ga"tion\, n. [L. supererogatio a payment in addition.] The act of supererogating; performance of more than duty or necessity requires.
Works of supererogation (R. C. Ch.), those good deeds believed to have been performed by saints, or capable of being performed by men, over and above what is required for their own salvation.