Related Clues:

• Hiatus
• Incision
• Narrow opening
• Old Navy's parent
• Buttonhole, e.g.
• Squinting eye, e.g.
• Cut open
• Clothing store, with 'The'
• Big name in casual clothes
• Skirt feature, perhaps
• Word with gender or generation
• Use a letter opener
• Pass between mountain peaks
• Alibi flaw
• Eye opening for a squint