n. A small, hat-shaped explosive device, used to blow a hole in a door or wall.
n. Anything potentially explosive, in a non-literal sense.
n. A loud firecracker.
v. To attack or blow a hole in (something) with a petard.
the GNU version of the Collaborative International Dictionary of English
n. A case containing powder to be exploded, esp. a conical or cylindrical case of metal filled with powder and attached to a plank, to be exploded against and break down gates, barricades, drawbridges, etc. It has been superseded.
The Century Dictionary and Cyclopedia
n. An engine of war used to blow in a door or gate, form a From a breach in a wall, etc.
n. A small paper cartridge used in ornamental fireworks, generally at the end of a lance, so arranged that the flame terminates with an explosion.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an explosive device used to break down a gate or wall
Word Usage
"She had meant to try out Jasper's racing-car at dawn, forgetting that racers have no mufflers, and she had been, as one may say, hoist with her own petard – although I do not know what a petard is and have never been able to find out."