What does the word petard mean?

Usage examples for petard

  1. Assuredly not, and thou hadst the best of it, for when Mistress Bess came in as full of wrath as a petard of powder, and made your refusal known, my lord himself cried out, 'And she's in the right o't! – Unknown to History A Story of the Captivity of Mary of Scotland by Charlotte M. Yonge