Source : Webster's Revised Unabridged Dictionary (1913)

Couple-close \Cou"ple-close`\ (k?p"?-kl?s`), n.; pl.
   {Couple-closes} (-kl?"s?z).
   1. (Her.) A diminutive of the chevron, containing one fourth
      of its surface. Couple-closes are generally borne one on
      each side of a chevron, and the blazoning may then be
      either a chevron between two couple-closes or chevron
      cottised.

   2. (Arch.) A pair of rafters framed together with a tie fixed
      at their feet, or with a collar beam. [Engl.]