Neurologist's concern: Abbr

• Church laws: Abbr.
• Brain and spinal cord, initially
• Church codes: Abbr
• Neurologist's focus, initially?
• Huge guns: Abbr.
• Huge guns: Abbr
• The portion of the vertebrate nervous system consisting of the brain and spinal cord

Wiktionary Word definitions in Wiktionary
n. (plural of CN English)

Wikipedia Word definitions in Wikipedia
The Caching Name Server (CNS) was a high-end commercial caching-only Domain name system (DNS) server software product from Nominum , a company founded by Paul Mockapetris , the inventor of the Domain Name System. The CNS server product has been replaced ...