scoliosis

noun

Etymology: From Latin scoliosis, from Ancient Greek σκολίωσις (skolíōsis, “twisting; torsion”).

1. The abnormal lateral curvature of the spine.

   ““Scoliosis,” Mwita said. “Curvature of the spine. It’s hereditary, but that doesn’t always explain it. Most common in girls, but boys get it, too.””