Lacuna is a term used to describe an empty SPACE or GAP, and can be used in many contexts. In this crossword, the solutions all refer to different types of lacunae. The first solution, 'BREAK, ' refers to a BREAK in continuity, such as a pause or INTERRUPTION in a conversation. The second solution, 'INTERRUPTION, ' refers to a disruption in a sequence of events. The third solution, 'OPENING, ' refers to an OPENING or GAP in something, such as a wall or fence. The fourth solution, 'BREACH, ' refers to a BREACH of trust or agreement. The fifth solution, 'INTERIM, ' refers to a period of time between two events. The sixth solution, 'INTERVAL, ' refers to a period of time between two points. The seventh solution, 'HIATUS, ' refers to a temporary BREAK or INTERRUPTION. The eighth solution, 'GAP, ' refers to a SPACE or OPENING between two things. The ninth solution, 'SPACE, ' refers to an area that is empty or unoccupied. Finally, the tenth solution, 'COIL, ' refers to a loop or twist in something, such as a rope or wire. All of these solutions refer to different types of lacunae, or gaps.