Related Clues:

• Leaf opening
• Little cut
• A straight cut
• Hiatus
• Schedule line
• Place for change
• 8:00-8:30, e.g., on a schedule
• Compartment
• Opening for a mail carrier
• Incision
• Narrow opening
• Old Navy's parent
• Buttonhole, e.g.
• Part of a jukebox
• Squinting eye, e.g.