ancon

[Lat. ancon, gen it, ancon is; Gr. αγκών (angkōn) = the bend or hollow of the arm, the elbow.] 1. Anatomy: The apex of the elbow. 2. Architecture (plural ancones): (1) Ornamaents on the keystones of arches, or on the side of door-cases; (2) the corners of walls or beams. 3. Zool . & Agric .: A name for a breed of sheep, now extinct It originated from a malformed lamb with short crooked legs, so that it and its progeny in which this peculiarity was perpetuated were unable to leap fences. (Used also adjectively.) "This is known to have been the case with the ancon sheep."- Darwin : Origin of Species, cli. i.