1. The "large" (dai 大) "group" or "assembly" (shu 衆) of monks who are registered for a retreat in a monastery and, because they do not hold any particular office in the monastic bureaucracy, are quartered in the sangha hall (sōdō 僧堂). Also called the sangha hall assembly (sōdōshu 僧堂衆). 2. A generic name for all the active participants (as opposed to mere spectators) in any Buddhist ritual observance, including lay people as well as monks, residents as well as visitors.