1. Smeared with oil or grease to reduce friction
   "A perfectly lubricated bearing should follow the laws of fluid friction";
   - greased

1. Make slippery or smooth through the application of a lubricant
   "lubricate the key"
    
2. Apply a lubricant to
   "lubricate my car";
   - lube
    
3. Have lubricating properties
   "the liquid in this can lubricates well"

Type of: alter, be, change, exist, fill, fill up, modify

Encyclopedia: Lubricate