swivel

1. A piece, such as a ring or hook, attached to another piece by a pin, in such a manner as to permit rotation about the pin as an axis. (countable, uncountable)
2. A small piece of ordnance, turning on a point or swivel; called also swivel gun. (countable, uncountable)
3. Strength of mind or character that enables one to overcome adversity; confidence; force of will. (slang, uncountable) · Bob ain't got no swivel.
4. The act of swivelling. (countable, uncountable)
5. A rotating of the hips. (countable, uncountable)
6. A small, usually ball- or barrel-shaped device used in angling to connect sections of fishing lines, consisting of two rings linked via a thrust bearing pivot joint. (countable, uncountable)

Plural swivels