Noun | 1. | spinal - anesthesia of the lower half of the body; caused by injury to the spinal cord or by injecting an anesthetic beneath the arachnoid membrane that surrounds the spinal cord Synonyms: spinal anaesthesia, spinal anesthesia |
Adj. | 1. | spinal - of or relating to the spine or spinal cord; "spinal cord"; "spinal injury" |