Standard Lemma guide

Eustachian

adj · 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /juːˈsteɪ.ʃən/
  • /juːˈsteɪ.ki.ən/
  • CMU ARPABET: Y UW0 S T EY1 K IY0 AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Of or relating to Bartolomeo Eustachi (1500 or 1514–1574), also known as Eustachius, one of the founders of the science of human anatomy.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Alternative letter-case form of Eustachian.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Eustachi + -an.

Across languages

Translations

2 source translations are retained for this English entry.

  • Greek: ευσταχιανός (efstachianós) — of or relating to Bartolomeo Eustachi
  • Irish: Eostach — of or relating to Bartolomeo Eustachi
Real reading context

Eustachian in complete knowledge articles