Phrase guide

mastoid process

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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No pronunciation record was provided for this word.

1

noun

Meaning 1

The conical, nipplelike projection of the petrous part of the temporal bone, that is situated behind the ear in humans and many other vertebrates, and serves as a site of muscle attachment.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: mastoid, mastoid bone, processus mastoideus, temporal apophysis

Antonyms: none provided

2

noun

Meaning 2

process of the temporal bone behind the ear at the base of the skull

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: mastoid, mastoid bone, mastoidal

Antonyms: none provided

Broader terms: process, outgrowth, appendage

History

Etymology

No etymology was provided for this word.

Across languages

Translations

4 source translations are retained for this English entry.

  • Catalan: apòfisi mastoide — projection of the temporal bone
  • Finnish: kartiolisäke — projection of the temporal bone
  • Hungarian: csecsnyúlvány — projection of the temporal bone
  • Spanish: apófisis mastoides — projection of the temporal bone