What is "dabbaba"

Dabbāba refer to:

• Dabbaba (chess), a fairy chess piece
• Modern Arabic for tank
• Older Arabic for a type of medieval siege engine designed to shelter men who are digging a hole in enemy fortifications

A dabbaba (or dabaaba, dabbabah) is a fairy chess piece that jumps two squares orthogonally (the directions a chess rook can move), leaping over any intermediate piece. Below, it is given the symbol D.