Definitions of swing:

• noun:   changing location by moving back and forth
• noun:   a square dance figure; a pair of dancers join hands and dance around a point between them
• noun:   a sweeping blow or stroke

  Example: "He took a wild swing at my head"

• noun:   mechanical device used as a plaything to support someone swinging back and forth
• noun:   a style of jazz played by big bands popular in the 1930s; flowing rhythms but less complex than later styles of jazz
• noun:   a state of steady vigorous action that is characteristic of an activity

  Example: "The party went with a swing"

• noun:   in baseball; a batter's attempt to hit a pitched ball
• noun:   a jaunty rhythm in music
• noun:   the act of swinging a golf club at a golf ball and (usually) hitting it
• verb:   move in a curve or arc, usually with the intent of hitting

  Example: "Swing a bat"

• verb:   be a social swinger; socialize a lot
• verb:   influence decisively
• verb:   live in a lively, modern, and relaxed style

  Example: "The Woodstock generation attempted to swing freely"

• verb:   have a certain musical rhythm

  Example: "The music has to swing"

• verb:   alternate dramatically between high and low values

  Example: "His mood swings"

• verb:   hit or aim at with a sweeping arm movement

  Example: "The soccer player began to swing at the referee"

• verb:   engage freely in promiscuous sex, often with the husband or wife of one's friends

  Example: "There were many swinging couples in the 1960's"

• verb:   make a big sweeping gesture or movement
• verb:   play with a subtle and intuitively felt sense of rhythm
• verb:   move or walk in a swinging or swaying manner
• verb:   change direction with a swinging motion; turn

  Example: "Swing back"

• verb:   hang freely
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #11293)