Swing is a verb meaning to move back and forth or from side to side while suspended or on an axis.
In music, swing refers to a style of jazz that developed in the 1930s and was characterized by a strong rhythm section and soloists taking turns playing the melody.
The term "swing" also refers to:
1. A seat suspended by ropes or chains for swinging
2. A sudden change in opinion or mood
3. In baseball, the motion of a batter's arms when attempting to hit the ball
4. In politics, the shift of votes from one party to another