From 'azan; a spade or paddle (as having a broad end) -- weapon.
see HEBREW 'azan
H240. azen
[אָזֵן] noun [masculine] collective implements, tools (from sharpness ? Aramaic אֲזֵנִין, weapons אֲזֵנֶ֑ךָ Deuteronomy 23:14 (Manuscripts אֵזֹר ᵑ9 ᵐ5 אזניך compare Di).