Related Clues:

• Hole in the head?
• Skin orifice
• Botanical opening
• Sweater?
• Sponge feature
• Hole in a sweater?
• Leaf aperture
• Breathing space?
• Tiny hole
• Read closely, with "over"
• Sweater's outlet?
• Skin feature
• Pumice feature
• Scrutinize, with "over"
• Small hole