Related Clues:

• Gears and gums have them
• Smile feature for David Letterman
• Enforcement provisions
• Braces' places
• Places for veneers
• Break in continuity
• Space between things
• They're to be found on a gear-wheel
• The taking of bait by a fish
• A breach or pass
• A break or opening as in a hedge
• Open space between two things
• Bony structures for eating
• A break in something continuous, like a hedge
• Breach or lacuna