Optocœle

{ Op″to‐cœle (?), ‖Op′to‐cœ″li‐a (?), } n. [NL. optocoelia, fr. Gr. � optic + κοι̑λοσ a hollow.] (Anat.) The cavity of one of the optic lobes of the brain in many animals. B. G. Wilder.