Definitions for: Copula

[n] an equating verb (such as `be' or `become') that links the subject with the complement of a sentence

Webster (1913) Definition: Cop"u*la, n. [L., bond, band. See Couple.]
1. (Logic & Gram.) The word which unites the subject and
predicate.

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

Synonyms: copulative, linking verb

See Also: verb