1. The government agency in the United Kingdom that is responsible for internal security and counterintelligence overseas
   - Secret Intelligence Service [Brit], MI 6 [Brit]

Type of: international intelligence agency

• chicken wing
• chicken wire
• chicken yard
• chicken-breasted
• chicken-livered
• chickenfeed
• chickenfight
• chickenhearted
• chickenpox
• chickenshit
• chickeree
• chickpea
• chickpea plant
• chickweed
• chickweed phlox
• chicle
• chicle gum
• chicness
• Chico
• chicory
• chicory escarole
• chicory plant
• chicory root
• chicot
• chide