necklace

An article of jewelry that is worn around the neck, most often made of a string of precious metal, pearls, gems, beads or shells, and sometimes having a pendant attached.

(figuratively) Anything resembling a necklace in shape.

(South Africa) A device used in necklacing (an informal execution); a rubber tyre that is filled with petrol. It is placed around the victim's chest and arms, and set on fire.