Part of speech:
A conical protuberance of the posterior portion of the temporal bone that is situated behind the ear in humans and many other vertebrates and serves as a site of muscle attachment.
The mastoid process.
Find another word for mastoid. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for mastoid, like: mastoidal, mastoid-process and mastoid-bone.