noun, plural for·ni·ces [fawr-nuh-seez] /ˈfɔr nəˌsiz/. Anatomy.
Origin of fornix
Examples from the Web for fornices
These arcade dens were called "fornices," from which comes our generic fornication.The Satyricon, Complete|Petronius Arbiter
Their name, fornices, at last became synonymous with lupanar, and we have borrowed from it our generic word fornication.
Allusion has already been made to the fornices under the circus.
British Dictionary definitions for fornices
noun plural -nices (-nɪˌsiːz)
Word Origin for fornix
Word Origin and History for fornices
1680s, from Latin fornix "arch, vaulted chamber" (see fornication).