Cleaver.
Used in the Middle East, it is called there,
Satoor or Shatoor (that breaks things in half).
Also, used in Japan and in China.
A Cleaver, has a huge and heavy large square shape blade with sturdy handle, and is very versatile cooking knife for every cutting task, yet it is very helpful tool in kitchen. Its heavy and large blade is suitable for chopping lamb,large or small chickens,turkeys or mincing meats and vegetables swiftly and easily.