A lining placed under something; the inner lining of a garment. Also figurative.

In commercial use: an inner layer of wrapping around a bale of some commodity (in later use esp. raw silk). Now rare.

In extended use: Any material occurring or placed next beneath the outside one (for spec. applications see quots.).

A layer of a material placed within something, an inside layer or sheathing.

Any removable lining, esp. one designed to protect a container from its contents or to allow their easy removal. Usually with function explained…