Real Dictionary

swing
verb: If something swings or if you swing it, it moves repeatedly backwards and forwards or from side to side from a fixed point.

swing in American English
to sway or move backward and forward with regular movement, as a freely hanging object or a ship at anchor; oscillate

swing in American English 1
intransitive verb: to move or sway to and fro, as a pendulum or other suspended object
transitive verb: to cause to move to and fro, sway, or oscillate, as something suspended from above

swing in American English 2
adjective: of, pertaining to, or characteristic of swing
noun: a style of jazz, popular esp. in the 1930s and often arranged for a large dance band, marked by a smoother beat and more flowing phrasing than Dixieland and having less complex harmonies and rhythms than modern jazz
transitive verb: to play (music) in the style of swing

swing in British English
verb: to move or cause to move rhythmically to and fro, as a free-hanging object; sway