from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Relating to or involving blood vessels and the vagus nerve.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Pertaining to the vagus nerve as well as the vascular system; often describing an attack etc. characterised by slowing of the pulse and a fall in blood pressure.
From vaso- + vagal. (Wiktionary)