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cornu ammonis

cornu ammonis noun: a fossil shell, curved like a ram's horn; an ammonite.

Noun

cornu ammonis (plural cornua ammonis)

  1. (obsolete) A fossil shell, curved like a ram's horn; an ammonite.
  2. (obsolete) The hippocampus of the brain.

Forms of cornu ammonis

pluralcornua ammonis
alternative formcornu Ammonis

Origin of cornu ammonis

From Latin cornū Ammōnis (“Ammon's horn”). See ammonite.

Questions about cornu ammonis

What does cornu ammonis mean?
Cornu ammonis means a fossil shell, curved like a ram's horn; an ammonite.
What part of speech is cornu ammonis?
Cornu ammonis is a noun.
What is the plural of cornu ammonis?
The plural of cornu ammonis is cornua ammonis.

Words near cornu ammonis in the dictionary

  1. Cornsweet illusion
  2. Cornsweet illusions
  3. Cornthwaite
  4. Cornton
  5. cornu
  6. cornu ammonis
  7. Cornu Luncii
  8. Cornu spiral
  9. cornua
  10. cornua ammonis
  11. cornual

Source and license

Adapted from Wiktionary: cornu ammonis (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “cornu ammonis.” Word.ws, https://word.ws/cornu_ammonis. Based on Wiktionary, CC BY-SA 4.0.