半身不遂,截瘫
Paraplegia \Par`a*ple"gi*a\, Paraplegy \Par"a*ple`gy\, n. [NL. paraplegia, fr. Gr. ? hemiplegia, fr. ? to strike at the side; ? beside + ? to strike: cf. F. parapl['e]gie.] (Med.) Palsy of the lower half of the body on both sides, caused usually by disease of the spinal cord. -- {Par`a*pleg"ic}, a.
paraplegia n : paralysis of the lower half of the body (most often as a result of trauma)