siding

noun
UK /ˈsaɪdɪŋ/
US /ˈsaɪdɪŋ/

The outside cover on a house's walls.

The workers put new siding on the house.


OTHER MEANINGS

2. A short railway track beside the main track where trains wait or pass.

The train waited on the siding for the express to go by.

3. The act of taking sides in a disagreement.

Her siding with the other team upset her friends.

4. The material forming the side of a ship or a structure.

The ship's siding was scraped by the dock.