1. short sections of railroad track connected to the main line, used for storing or switching trains
Usage: railway terminology
2. material used to cover the exterior walls of a building
Usage: construction

Examples

• The freight train waited on the sidings while the passenger express passed.
• Several old boxcars were stored on the railway sidings.
• The house needed new vinyl sidings after the storm damage.
• They chose cedar sidings for their cabin in the mountains.
• The contractor installed aluminum sidings on the entire building.
• Train cars were moved to the sidings to clear the main track.
• The wooden sidings gave the house a rustic appearance.