noun plural:members of various sects originating chiefly in 18th century German Pietism
plural of 'brother'
used especially to begin to talk in a formal way to a group of people or to refer to the members of a particular group
Examples
our church 'brethren'
Welcome, 'brethren'.
Movie quotes
(..) Stop now. Tell me where it is. You and your brethren possess what is not rightfully yours. I don't know what you are talking about. Is it a secret you will die for? -Please. (..)