Meaning of lining

lin•ing

1. something that is used to line another thing; a layer of material on the inner side or surface of something.
2. the material used to strengthen the back of a book after the sheets have been folded, backed, and sewed.
3. the act or process of lining something.

lin•ing

1. the act of marking or ornamenting a surface with lines.
2. a design or ornamentation composed of lines.
3. a system of designing type so that all characters of the same point size, regardless of font, will align with one another.