fornix

[ fawr-niks ]
/ ˈfɔr nɪks /

noun, plural for·ni·ces [fawr-nuh-seez] /ˈfɔr nəˌsiz/. Anatomy.

any of various arched or vaulted structures, as an arching fibrous formation in the brain.

QUIZZES

CAN YOU FEEL THE WEAL WITH THIS WORD OF THE DAY QUIZ?

Did you collect all of last week’s words, but eftsoons forget what they mean? Don’t worry, we’re here to jog your memory. See how many words from the week of May 18 to 24 you can get right!
Question 1 of 7
weal

Origin of fornix

1675–85; < Latin: vault, arch

OTHER WORDS FROM fornix

for·ni·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences 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.

    The History of Prostitution|William W. Sanger
  • Allusion has already been made to the fornices under the circus.

    The History of Prostitution|William W. Sanger

British Dictionary definitions for fornices

fornix
/ (ˈfɔːnɪks) /

noun plural -nices (-nɪˌsiːz)

anatomy any archlike structure, esp the arched band of white fibres at the base of the brain

Derived forms of fornix

fornical, adjective

Word Origin for fornix

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

Medical definitions for fornices

fornix
[ fôrnĭks ]

n. pl. for•ni•ces (-nĭ-sēz′)

An arch-shaped structure, especially the arch-shaped roof of an anatomical space.
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.