side wall

noun

Either of the two parallel walls in a court, perpendicular to the front wall; either of the walls on the side of the court.

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Meanings

nounside wall (plural side walls)

plural side walls · alternative sidewall

  1. ball gamesEither of the two parallel walls in a court, perpendicular to the front wall; either of the walls on the side of the court.
  2. Used other than figuratively or idiomatically: see side, wall.

    The milling action of the bucket line enables the trencher to cut through difficult materials, such as stone rubble and brick filling, and to leave a good trench with clean side walls.

    1956 January, “New Permanent Way Equipment on British Railways”, in Railway Magazine, page 57

Origin

Because each of the walls in question is located on a side of the court.

Full word history & related roots →
Cite this entry
APA

side wall. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/side%20wall

MLA

“side wall.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/side%20wall. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “side wall,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/side%20wall.

Source: side wall on Wiktionary, CC BY-SA 4.0.