sword 
(sôrd)
(sôrd)n.
Idioms: 1. A weapon consisting typically of a long, straight or slightly curved, pointed blade having one or two cutting edges and set into a hilt.
2. An instrument of death or destruction.
3.
a. The use of force, as in war.
b. Military power or jurisdiction.
at swords' points
Ready for a fight.
put to the sword
To kill; slay.
[Middle English, from Old English sweord.]