Cŏp'ŭ-lā, n.

noun

n. [Lat., from co, for con, and apere, to take, seize upon.]

  1. (Logic.) The word which unites the subject and predicate of a proposition.
  2. (Mus.) The stop which connects the manuals, or the manuals with the pedals;—called also coupler.
  3. (Anat.) A ligament.