Definition from Wiktionary, the free dictionary
- (Christianity) A layman who is a member of a brotherhood without the intention to become a priest.
- In feudal days lay brothers were usually uneducated commoners, who did most menial, manual labor while the learned priestly monks held the more spiritual jobs
- WHY A LAY BROTHER?, Franciscan Friars
- The male branch of the Franciscan family, a community of Lesser Brothers, is made up of men who are both clergy and consecrated laity traditionally called "lay brothers".'