swivel

名词noun

1. 1mechanicalA 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.
2. 2(military) A small piece of ordnance, turning on a point or swivel; called also swivel gun.
3. 3slang, uncountableStrength of mind or character that enables one to overcome adversity; confidence; force of will.
4. 4The act of swivelling.
5. 5(dance) A rotating of the hips.
6. 6(fishing) 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.