battleaxe

from The Collaborative International Dictionary of English v.0.48
Battle-ax \Bat"tle-ax`\ Battle-axe \Bat"tle-axe`\(-[a^]ks`), n.
   (Mil.)
   A kind of broadax formerly used as an offensive weapon.
   [1913 Webster]
    
from Easton's 1897 Bible Dictionary
Battle-axe
a mallet or heavy war-club. Applied metaphorically (Jer. 51:20)
to Cyrus, God's instrument in destroying Babylon.
    

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