As a Noun:
1. Shoes with a metal blade attached to them that you wear when you move about or slide on a surface covered with ice. English = ice skates.
2. A sport in which you move or slide about on a flat surface covered in ice on special shoes with a metal blade attached to them. English = ice-skating.
3. Shoes with small wheels on the bottom, in a line down the centre. English = roller blades.
As a Verb or Adjective:
1. To ice-skate, to roller-blade, to skate.