a verb, such as be, seem, or taste, that is used merely to identify or link the subject with the complement of a sentence. Copulas may serve to link nouns (or pronouns), as in he became king, nouns (or pronouns) and adjectival complements, as in sugar tastes sweet, or nouns (or pronouns) and adverbial complements, as in John is in jail
2.
anything that serves as a link
3. logic
the often unexpressed link between the subject and predicate terms of a categorial proposition, as are in all men are mortal
Derived forms
copular (ˈcopular)
adjective
Word origin
C17: from Latin: bond, connection, from co- together + apere to fasten
Examples of 'copulae' in a sentence
copulae
Hence, this model represents a very flexible way of constructing higher-dimensional copulae.
Kjersti Aas 2016, 'Pair-Copula Constructions for Financial Applications: A Review', Econometricshttp://www.mdpi.com/2225-1146/4/4/43. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)