Related Clues:

• Problem in the defense lines
• Arm of a knight-in-arms
• Collapse
• Explode
• Prick
• Unvarying
• Come apart at the seams
• Aperture
• Prairielike
• Shot
• Use a knife or fork
• Thrusting weapon
• Ace place?
• Fizzless
• 'Shank,' in prison lingo