Related Clues:

• A narrow fissure in rock
• Rift
• Fault
• Out-of-the-way corner
• Nook companion
• Climber's handhold
• Open space
• Like some chins
• Narrow fissure
• Breakup
• Nook's partner
• Break (m)
• Start of a breakup
• Hole in the wall
• Like Kirk Douglas's chin