petard /pe-tär or -tärdˈ/

1. A case containing an explosive, used for blowing in doors, etc (Shakespeare petarˈ)
2. A moving firework

hoist with one's own petard see under hoist

• machine
• machineable
• machine code
• machine codes
• machined
• machinegun
• machinegunned
• machine-gunner
• machine-gunners
• machinegunning
• machineguns
• machine head
• machine heads
• machine hour method
• machine intelligence
• machine language
• machine languages
• machine-made
• machineman
• machinemen
• machine-pistol
• machine-pistols
• machine-readable
• machineries
• machine-ruler