/
pɪˈtɑːd/
n.
historical a small bomb made of a metal or wooden box filled with powder.
▸a kind of firework that explodes with a sharp report.
Phrase
- hoist with
(or by)
one's own petard
having one's schemes against others backfiring on one.
Etymology
C16: from Fr. pétard, from péter ‘break wind’.
