interregnum /in-tər-regˈnəm/

1. The time between two reigns
2. The time between the cessation of one and the establishment of another government
3. Any breach of continuity in order, etc

• high-wing monoplane
• high-wing monoplanes
• high wire
• high wires
• in the club
• in the clutch
• in the cold light of day
• in the course of
• in the course of time
• in the dark
• in the dock
• in the end
• in the event
• in the event of
• in the extreme
• in the eyes of
• in the face of
• in the family way
• in the fashion
• in the fast lane
• in the final analysis
• in the first flush
• in the first flush of
• in the first instance
• in the first place