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fornix

[fawr-niks]
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noun, plural for·ni·ces [fawr-nuh-seez] /ˈfɔr nəˌsiz/. Anatomy.
  1. any of various arched or vaulted structures, as an arching fibrous formation in the brain.

Origin of fornix

1675–85; < Latin: vault, arch
Related formsfor·ni·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for fornices

Historical Examples

  • Allusion has already been made to the fornices under the circus.

    The History of Prostitution

    William W. Sanger

  • Their name, fornices, at last became synonymous with lupanar, and we have borrowed from it our generic word fornication.

  • These arcade dens were called "fornices," from which comes our generic fornication.

    The Satyricon, Complete

    Petronius Arbiter


British Dictionary definitions for fornices

fornix

noun plural -nices (-nɪˌsiːz)
  1. anatomy any archlike structure, esp the arched band of white fibres at the base of the brain
Derived Formsfornical, adjective

Word Origin

C17: from Latin; see fornicate ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for fornices

fornix

n.

1680s, from Latin fornix "arch, vaulted chamber" (see fornication).

Online Etymology Dictionary, © 2010 Douglas Harper

fornices in Medicine

fornix

(fôrnĭks)
n. pl. for•ni•ces (-nĭ-sēz′)
  1. An arch-shaped structure, especially the arch-shaped roof of an anatomical space.
  2. The compact bundle of white fiber by which the hippocampus of each cerebral hemisphere projects to the opposite hippocampus and to the septum, the anterior nucleus of the thalamus, and the mamillary body.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.