Bible Dictionaries
Copula

Webster's Dictionary

(1):

(n.) The stop which connects the manuals, or the manuals with the pedals; - called also coupler.

(2):

(n.) The word which unites the subject and predicate.

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