side + wall, because it each of the walls in question is located on a side of the court.
Side-wall Sentence Examples
It has an arch under it, being supported partly on the side wall of the church, and partly on a massive pillar.
Pietro e Cesareo, fronting upon it, is ensconced in.a temple of Rome and Augustus, part of the side wall of which, with engaged columns, is still visible.
The head-master's house (W) is opposite, built against the side wall of the church.
From each side of the uterus the peritoneum is reflected outward, as a two-layered sheet, to the side wall of the pelvis; this is the broad ligament, and between its layers lie several structures of importance.
It lies in the side wall of the pelvis with its long axis nearly vertical and having its blunt end (tubal pole) upward.