adjective

1. in, at, or near the center
2. of or forming the center
3. equally distant or accessible from various points
4. most important; main; basic; principal
5. of or having to do with a single source that controls all activity in an organization or system
6. 1. designating or of that part of a nervous system consisting of the brain and spinal cord or, in many invertebrates, the chief ganglia and their major nerve cords
   2. of the centrum of a vertebra
7. Phonet. articulated with the tongue in a position approximately halfway between front and back: said of certain vowels, as (u) in bud

Etymology: L centralis

noun