fornix

Latin for brothel; derivation of the word fornication.

For"nix (?), n.; pl. Fornices (#). [L., an arch.] Anat. (a)

An arch or fold; as, the fornix, or vault, of the cranium; the fornix, or reflection, of the conjuctiva.

Esp., two longitudinal bands of white nervous tissue beneath the lateral ventricles of the brain.

© Webster 1913.