Strong’s Hebrew
H4661 — mappets
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
מַפֵּץ
mappets — pronounced map-pates
from 5310; a smiter, i.e. a war club:--battle ax. see H05310
1 occurrence in the KJV.
Jeremiah 51:20
Thou art my battle axe and weapons of war: for with thee will I break in pieces the nations, and with thee will I destroy kingdoms;