Meanings

1. joint; node
2. (bound form) section; segment
3. solar term (one of the 24 divisions of the year in the traditional Chinese calendar)
4. seasonal festival
5. (bound form) to economize; to save
6. (bound form) moral integrity; chastity
7. classifier for segments: lessons, train wagons, biblical verses etc
8. knot (nautical miles per hour)