1. A gun that is set to fire on any intruder that comes in contact with the wire that sets it off
   - spring gun

Derived forms: set guns

Type of: gun

• approach pattern
• approach shot
• approach trench
• approachability
• approachable
• approaching
• approbate
• approbation
• approbative
• approbatory
• appropriable
• appropriate
• appropriately
• appropriateness
• appropriation
• appropriation bill
• appropriative
• appropriator
• approval
• approve
• approved
• approver
• approving
• approvingly
• approx