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

• ormer
• ormolu
• Ormosia
• Ormosia coarctata
• Ormosia monosperma
• Ormuzd
• ornament
• ornamental
• ornamentalism
• ornamentalist
• ornamentally
• ornamentation
• ornate
• ornately
• ornateness
• orneriness
• ornery
• ornithine
• Ornithischia
• ornithischian
• ornithischian dinosaur
• Ornithogalum
• Ornithogalum pyrenaicum
• Ornithogalum thyrsoides
• Ornithogalum umbellatum