quadriplegiaPronunciation: /ˌkwɒdrɪˈpliːdʒə/Definition of quadriplegia noun [mass noun] Medicine paralysis of all four limbs; tetraplegia. Derivatives quadriplegic adjective & noun Origin: 1920s: from quadri- 'four' + a shortened form of paraplegiaquadriplegia in other Oxford dictionaries Definition of quadriplegia in the US English dictionary