\C[oe]"li*a\, n. [NL., fr. Gr. ? a cavity of the body, a
ventricle.] (Anat.)
A cavity.
Note: The word is applied to the ventricles of the brain, the
      different ventricles being indicated by prefixes like
      those characterizing the parts of the brain in which
      the cavities are found; as, epic[oe]lia, mesoc[oe]lia,
      metac[oe]lia, proc[oe]lia, etc. --B. G. Wilder.