opisthocoelian Meaning, Definition & Usage

O*pis`tho*coe"li*an, O*pis`tho*coe"lous adjective (Also<
  • Opisthocoelian
  • Opisthocoelous
)
Etymology
Gr. behind + hollow,
Definitions
  1. (Anat.) Concave behind; -- applied especially to vertebræ in which the anterior end of the centrum is convex and the posterior concave.

Webster 1913