O·pis’tho-cœ’li·an, a.
(-sē′li-an), a. [Gr. ὄπισθεν, behind, and κοῖλος, hollow.] (Osteology.) Having the hinder surface concave, as in the vertebræ of some saurians. R. Owen.
(-sē′li-an), a. [Gr. ὄπισθεν, behind, and κοῖλος, hollow.] (Osteology.) Having the hinder surface concave, as in the vertebræ of some saurians. R. Owen.