Definition of sciatica noun from the Oxford Advanced Learner's Dictionary



BrE BrE//saɪˈætɪkə//
; NAmE NAmE//saɪˈætɪkə//
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pain in the back, hip and outer side of the leg, caused by pressure on the sciatic nerve Word Originlate Middle English: from late Latin sciatica (passio) ‘(affliction) of sciatica’, feminine of sciaticus, from Greek iskhiadikos ‘relating to the hips, subject to sciatica’, from iskhion ‘hip joint’.
See the Oxford Advanced American Dictionary entry: sciatica