Caudal anesthesia means: Caudal anesthesia is an injection of local anesthetic in the caudal or sacral portions of the spinal canal. Anesthesia that is administered below the umbilicus can be used for anesthesia or pain relief. You can use it as a single anesthetic, or in combination with general anesthesia. It is also known as caudal epidural or caudal blocks.
(in Medical Dictionary)