As a Noun:
1. A seat hanging by two ropes or chains from a metal frame or from a branch of a tree. You can sit on the seat and move forwards and backwards through the air. English = swing.
2. A public area of land with grass and trees, often with a section with swings and other amusements for children, where people go to relax and enjoy themselves. English = park.
As a Verb or Adjective:
1. To move backwards and forwards on a swing.