| Noun | 1. | spinocerebellar disorder - any of several congenital disorders marked by degeneration of the cerebellum and spinal cord resulting in spasticity and ataxia ataxia, ataxy, dyssynergia, motor ataxia - inability to coordinate voluntary muscle movements; unsteady movements and staggering gait birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder - a defect that is present at birth |