Definition of fornices:
(n) :
(anatomy) An archlike or vaulted structure or fold:
(n) :
(neuroanatomy) A triangular area of white matter in the mammalian brain beneath the corpus callosum and between the hippocampus and the hypothalamus.
(n) :
The vaulted upper part of the vagina surrounding the uterine cervix.
(n) :
The junction where the conjunctiva lining the eyelid meets the conjunctiva overlying the sclera.