noun
: the cartilaginous or bony arch on the dorsal side of a vertebra : the series of neural arches forming the canal in which the spinal cord is situated
noun
: the cartilaginous or bony arch on the dorsal side of a vertebra : the series of neural arches forming the canal in which the spinal cord is situated
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012