cleaver

noun6

1. •
   A squarish, heavy knife used by butchers for hacking through bones, etc.

   • Concurrently with Flay's visualization of the cleaver falling—the cleaver fell. — 1946
2. •
   (figurative) The act of eliminating someone or something, especially when done by someone with a history of other eliminations; a dismissal, rejection, or removal.

   • Conte has broken the mould further with the suggestion he might escape the Abramovich cleaver, becoming the first of his line to leave by his own volition. — 2017
3. •
   A type of oar blade with an asymmetric, mostly rectangular shape that resembles a cleaving knife.
4. •
   A Paleolithic biface.
5. •
   A line segment that bisects the perimeter of a triangle and has one endpoint at the midpoint of one of the triangle's three sides.
6. •
   A type of clave, or rhythm stick, a concussive musical instrument used in traditional Bahamian music.