A Cleaver

1. A squarish, heavy knife used by butchers for hacking through bones, etc.
2. (music, Bahamas) A type of clave, or rhythm stick, a concussive musical instrument used in traditional Bahamian music.
3. (metaphoric) The act of eliminating someone or something, especially when done by someone with a history of other eliminations; a dismissal, rejection, or removal. Synonym: axe

Usage notes

As a musical instrument, cleaver is normally used only in the plural, just like the more common synonym claves, which is far more often used internationally and is better known as a part of Cuban music. In the Bahamas, cleavers is the more common terminology.