epidural anesthesia

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Regional anesthesia produced by injection of a local anesthetic into the epidural space of the lumbar or sacral region of the spine.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun 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