A battle-axe was a heavy war-club or mallet. Jeremiah used the image metaphorically of God’s instrument for breaking and judging the nations.
Definition
A battle-axe was a mallet or heavy war-club used as a weapon. The term can describe a substantial implement for striking in battle.
Biblical Usage
Jeremiah uses the battle-axe figuratively of Cyrus as God’s instrument for destroying Babylon.
Historical Background
The supplied material gives no further description of its construction or manufacture.
Historical Bible Dictionaries
Easton's Bible Dictionary
A mallet or heavy war-club. Applied metaphorically (Jer. 51:20) to Cyrus, God’s instrument in destroying Babylon.
International Standard Bible Encyclopedia (ISBE)
<p>bat'-'-l-ax.</p><p>See ARMOR, ARMS, III, 1; AX (AXE).</p>