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Idioms for petard
Origin of petard
Words nearby petard
British Dictionary definitions for hoist by one's own petard
Word Origin for petard
Cultural definitions for hoist by one's own petard
To be caught in one's own trap: “The swindler cheated himself out of most of his money, and his victims were satisfied to see him hoist by his own petard.” A “petard” was an explosive device used in medieval warfare. To be hoisted, or lifted, by a petard literally means to be blown up.