poleaxe

/P OW1 L AE0 K S/
noun
  1. 1

    An ax having both a blade and a hammer face; used to slaughter cattle.

  2. 2

    A long-handled battle axe, being a combination of ax, hammer and pike.

verb
  1. 1

    To fell someone with, or as if with, a poleaxe.

  2. 2

    To astonish; to shock or surprise utterly.

Source: https://en.wiktionary.org/wiki/poleaxe