Definitions

1. adjective

relating to or affecting the autonomic nervous system, which controls involuntary actions of the body such as heartbeat and digestion

“The autonomic nervous system regulates our body’s automatic functions.”

2. noun

an autonomic nervous system or the autonomic nervous system of an organism

“The autonomic of this species is highly developed.”

3. noun

a self-regulating system or process

“The autonomic system of traffic flow helps to reduce congestion.”