lining

noun

1.
a protective covering that protects an inside surface
liner
Derived from:
line
2.
a piece of cloth that is used as the inside surface of a garment
liner
Derived from:
line
3.
providing something with a surface of a different material
facing
4.
the act of attaching an inside lining (to a garment or curtain etc.)
Derived from:
line