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

• intrathecally
• intrauterine
• intrauterine contraceptive device
• intravasation
• intravasations
• intravascular
• intravenous
• intravenously
• intra vires
• intra vitam
• in-tray
• in-trays
• intrazonal
• intreat
• intreated
• intreatfull
• intreating
• intreats
• intrench
• intrenchant
• intrenched
• intrenches
• intrenching
• intrenchment
• intrenchments