copulae
cop-u-lae
noun
Plural of copula; connecting structures or parts, often cartilaginous, within an organism.
"Certain skeletal elements are joined by copulae."
noun
Plural of copula; linking verbs connecting a subject to a predicate complement.
"'Is' and 'are' are common English copulae."
Thesaurus
Synonyms: linking verb, copulative, copula