cladding

noun
UK /ˈklæd.ɪŋ/
US /ˈklæd.ɪŋ/

A cover put on the outside of a building to protect it and make it look nice.

The new house has wooden cladding on its walls.


OTHER MEANINGS

2. A layer of metal bonded to another metal to protect it or improve it.

The pipes are made of steel with copper cladding.

3. The process of covering something with a protective layer.

Cladding the reactor core took several weeks.

4. A protective coating on optical fibers that keeps light inside.

The fiber's glass core is surrounded by cladding.