As a Noun:
1. A device for forcing grease into special holes in machines so that their moving parts will work smoothly. English = grease gun.
2. Of a car, the action of examining, adjusting and cleaning it so that it will keep working efficiently and safely. English = service.
As a Verb or Adjective:
1. To apply grease using a grease gun.
2. Of a car, to examine, adjust and clean it so that it will keep working efficiently and safely. English = service.