Standard Lemma guide

eponychium

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /ɛpəʊˈnɪkɪəm/
  • General-American: /ˌɛpəˈnɪkiəm/

1

noun

Meaning 1

The thickened layer of skin adjoining fingernails and toenails, particularly at the base of the nail.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The protective capsule that surrounds the hoof of foetuses and neonates of hoofed animals, which disappears soon after birth, but remnants of which remain as part of the permanent hoof.

Definition source: English Wiktionary via Wiktextract

Topics: biology, medicine, natural-sciences, pathology, sciences, veterinary, zoology

Examples

  • 2014, Kevin T. Corley, Jonna M. Jokisolo, Chapter 172: Evaluation of the Compromised Neonatal Foal, Kim A. Sprayberry, N. Edward Robinson, Robinson's Current Therapy in Equine Medicine, 7th Edition, page 720, The presence of eponychium (also called “foal slippers”) on the feet (Figure 172-3) is indicative that the foal has not yet stood.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Ancient Greek ἐπί (epí, “on top of”) + ὀνῠ́χιον (onŭ́khion, “little claw”, diminutive of ὄνυξ (ónux)).

Across languages

Translations

3 source translations are retained for this English entry.

  • Arabic: سَلِيفَة ظُفْر — eponychium
  • Czech: nadnehtí — eponychium
  • Latin: eponychium — eponychium