Bible Dictionaries
Vitals

Webster's Dictionary

(1):

(n. pl.) Organs that are necessary for life; more especially, the heart, lungs, and brain.

(2):

(n. pl.) Fig.: The part essential to the life or health of anything; as, the vitals of a state.

Bibliography Information
Webster, Noah. Entry for 'Vitals'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​v/vitals.html. 1828.