[ sahy-ding ]
See synonyms for siding on
  1. a short railroad track, opening onto a main track at one or both ends, on which one of two meeting trains is switched until the other has passed.

  2. any of several varieties of weatherproof facing for frame buildings, composed of pieces attached separately as shingles, plain or shaped boards, or of various units of sheet metal or various types of composition materials.

Origin of siding

First recorded in 1595–1605; side1 + -ing1

Other words from siding

  • un·sid·ing, adjective

Words Nearby siding Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use siding in a sentence

British Dictionary definitions for siding


/ (ˈsaɪdɪŋ) /

  1. a short stretch of railway track connected to a main line, used for storing rolling stock or to enable trains on the same line to pass

  2. a short railway line giving access to the main line for freight from a factory, mine, quarry, etc

  1. US and Canadian material attached to the outside of a building to make it weatherproof

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012