Related Clues:

• Rose feature
• Bush defense?
• Prickly irritant
• Rose sticker
• Source of irritation
• Barb
• Rose hazard
• Androcles' extraction
• Spike
• Spine
• McCullough's ''The ___ Birds''
• Prickle
• Prickly plant part
• Irritant in one's side?
• Annoyance, so to speak