Standard Lemma guide

mastoidal

adj · 3 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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1

adj

Meaning 1

mastoid

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adjective

Meaning 2

relating to or resembling a nipple

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: mastoid

Antonyms: none provided

3

noun

Meaning 3

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 process, mastoid bone

Antonyms: none provided

Broader terms: process, outgrowth, appendage

History

Etymology

From mastoid + -al.