Definition: epidural anesthesia

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Source: WordNet (r) 1.7 

epidural anesthesia
     n : regional anesthesia resulting from injection of an
         anesthetic into the epidural space of the spinal cord;
         sensation is lost in the abdominal and genital and pelvic
         areas; used in childbirth and gynecological surgery [syn:
          epidural anaesthesia, epidural]