'Petard' definitions:
Definition of 'petard'
(from WordNet)
noun
An explosive device used to break down a gate or wall
Definition of 'Petard'
From: GCIDE
- Petard \Pe*tard"\, n. [F. p['e]tard, fr. p['e]ter to break wind, to crack, to explode, L. pedere, peditum.] (Mil.) 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 It has been superseded. [1913 Webster] Petardeer