clerks regular

Generic name of religious institutes of men, combining the activities of the secular clergy with the solemn vows and common life of monks, though without the obligation of choir service, e.g., Jesuits, Theatines; in a broader sense, similar institutes without the solemn vows, e.g., Passionists, Redemptorists; or even without vows, e.g., Sulpicians, Salesians.