Hoisted by your own petard what does it mean

02.07.2018 Admin
Construction cranes hoist beams and girders, etc. A petard is a bomb used to blow blow up gates and doors, or to open breaches in walls. So, whats a petard and what does it mean to be hoisted by it. All the variants mean the same thing, although the 'with' form is strictly a more accurate version of the original source.

A petard is, or rather was, as they have long since fallen out of use, a small engine of war used to blow breaches in gates or walls.

The phrase 'hoist with one's own petard' is often cited as 'hoist by one's own petard'. Whatever the shape, the significant feature was that they were full of gunpowder - basically what we would now call a bomb. In order to breach a gate or wall during times of battle, armies would use a petard. The phrase occurs in a central speech in the play in which Hamlet has discovered a plot on his life by Claudius and resolves to respond to it by letting the plotter be Hoist with his.
Hoisted by your own petard what does it mean
The phrase's meaning is literally that the bomb-maker a petard is a small explosive device is blown up hoisted off the ground by his own bomb, and indicates an ironic reversal, or poetic justice. The past participle of hoist these days is hoisted. Agood example is a flag which is hoisted on a mast. Hoist means the act of raising something using ropes or pulleys.