kriegspiel or kriegsspiel /krēgˈspēl/

1. A war game played on a map to train officers
2. A form of chess in which the players use separate boards and are allowed only limited communication through an umpire

• mass meetings
• mass noun
• mass nouns
• mass number
• mass numbers
• mass observation
• massoola
• massoolas
• Massora
• Massorah
• Massorete
• Massoretic
• masspriest
• masspriests
• mass-produce
• mass-produced
• mass producer
• mass producers
• mass-produces
• mass-producing
• mass production
• mass radiography
• mass spectrograph
• mass spectrographs
• mass spectrometer