Term: caudal anesthesia: regional anesthesia resulting from injection of an anesthetic into the caudal end of the spinal canal; now largely replaced by epidural anesthesia
Broader: regional anesthesia: loss of sensation in a region of the body produced by application of an anesthetic agent to all the nerves supplying that region (as when an epidural anesthetic is administered to the pelvic region during childbirth) | Unrelated: tattle: disclosing information or giving evidence about another