noun
( -s )
Etymology: from gerund of side (IV)
1. archaic : the action of taking sides (as in a debate or conflict) : attachment to a party : partisanship
seriously religious without any taint of siding or faction — Richard Baxter
2. : the dimensions of a ship's timber measured parallel to the center line — opposed to molding
3. or siding track
a. : a short railroad track connected by switches or points at one or more places with the main track and used especially to enable trains to pass each other or to provide a storage place for temporarily idle cars — called also sidetrack
b. : a short track connecting a railroad directly with the premises of a business concern
4. : material (as boards or metal sections) of special design usually nailed horizontally to vertical studs with or without intervening sheathing to form the exposed surface of outside walls of frame buildings — see bevel siding , drop siding
5. : a passing place for ships in a canal
6. : a board cut from the outer portion of a log of which the central portion becomes a timber — compare slab