Noose (noun)

1. A loop with a running knot that tightens as the rope or cable is pulled, used especially for hanging or as a handle or restraint.
2. A situation or circumstance that is likely to lead to a difficult or dangerous outcome, especially death.

Origin:

Middle english, from old english nōs; akin to old english nacan to dwell.

Examples:

1. The prisoner was hanged by means of a noose.
2. He put a noose around his neck and jumped off the bridge.
3. The noose was made from a thick rope.
4. He felt like he was trapped in a noose, unable to escape his problems.
5. The noose tightened around the animal's neck as it struggled.