Bible Dictionaries
Quaternity

Webster's Dictionary

(1):

(n.) The union of four in one, as of four persons; - analogous to the theological term trinity.

(2):

(n.) The number four.

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