| Noun | 1. | lining - a protective covering that protects an inside surfacebrake lining - the lining on the brake shoes that comes in contact with the brake drum facing - a lining applied to the edge of a garment for ornamentation or strengthening furnace lining, refractory - lining consisting of material with a high melting point; used to line the inside walls of a furnace | |
| 2. | lining - a piece of cloth that is used as the inside surface of a garmentgarment - an article of clothing; "garments of the finest silk" | |
| 3. | lining - providing something with a surface of a different materialapplication, coating, covering - the work of applying something; "the doctor prescribed a topical application of iodine"; "a complete bleach requires several applications"; "the surface was ready for a coating of paint"; babbitting - lining a surface or bearing with babbitt metal | |
| 4. | lining - the act of attaching an inside lining (to a garment or curtain etc.)insulation - the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity | |