autonomic nervous system is a noun meaning "the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands". It carries one recorded sense.
the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands
Definitions, synonyms and semantic relations for autonomic nervous system come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.