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

• sackable
• sackage
• sackages
• sackbut
• sackbuts
• sackcloth
• sackcloths
• sack-doudling
• sack dress
• sacked
• sacker
• sackers
• sackful
• sackfuls
• sacking
• sackings
• sackless
• sacklike
• sack-posset
• sack-possets
• sack race
• sack races
• sacks
• sack tree
• sack trees