Meanings
nounfornix (plural fornices)
plural fornices
- An archlike or vaulted structure or fold:
- anatomyThe junction where the conjunctiva lining the eyelid meets the conjunctiva overlying the sclera.
- anatomyA triangular area of white matter in the mammalian brain beneath the corpus callosum and between the hippocampus and the hypothalamus.
Synonyms & antonyms
nounan arched bundle of white fibers at the base of the brain by which the hippocampus of each hemisphere projects to the contralateral hippocampus and to the thalamus and mamillary bodies
Similar
trigonum cerebrale
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Latinfornix“an arch, vault”
- Englishfornix
Borrowing from Latin fornix (“an arch, vault”).
More words from Latin
Full word history & related roots →Translations
Catalan fòrnix, fòrnix
- fòrnixbrain part
- fòrnixarchlike or vaulted structure or fold
Chinese Mandarin 穹窿, 穹窿
- 穹窿brain part
- 穹窿archlike or vaulted structure or fold
Esperanto fornikso
- forniksobrain part
Finnish aivokaari, holvi
- aivokaaribrain part
- holviarchlike or vaulted structure or fold
- pohjukkaarchlike or vaulted structure or fold
Polish sklepienie
- sklepieniebrain part
Spanish fórnix, fórnix
- fórnixbrain part
- fórnixarchlike or vaulted structure or fold
Cite this entry
APA
fornix. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/fornix
MLA
“fornix.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fornix. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “fornix,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/fornix.
Source: fornix on Wiktionary, CC BY-SA 4.0.