a weired type of ax that kills people
It has several definitions. It can refer to a bell which calls people to worship. It also could refer to Venus (the planet) or stars in the sky. A long time ago, the word meant "Evening" -- like the...
It's an axe made for battle.
(ax)(ax) = a2 + 2ax + x2
an ax is something you use for a garden like a hoe tool
potential mechanical energy