Simple Definition of siding

from our Learner's Dictionary

siding

noun

plural sidings
1
US : long pieces of material that are used to cover the outside walls of a building
vinyl siding

called also (chiefly British) cladding

2
: a short railroad track that is connected with the main track

Cite this Entry

“Siding.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/siding. Accessed 22 Jun. 2026.

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