- parasympathetic⇄adj. of or having to do with the part of the autonomic nervous system that produces such involuntary responses as dilating blood vessels, increasing the activity of digestive and reproductive organs and glands, contracting the pupils of the eyes, slowin
- parasympathetic⇄noun a nerve of the parasympathetic nervous system.
- parasympathetic⇄parasympathetic, adjective, noun.