1. 绳套;套索;活扣
    A noose is a circular loop at the end of a piece of rope or wire. A noose is tied with a knot that allows it to be tightened, and it is usually used to trap animals or hang people.

2. 束缚;圈套;陷阱
    You can refer to something that traps people in a difficult situation as a noose around their neck.

1. a loop formed in a cord or rope by means of a slipknot
    it binds tighter as the cord or rope is pulled

    Synonym: running nooseslip noose

2. a trap for birds or small mammals
    often has a slip noose

    Synonym: snaregin