mastoidal

/mæˈstɔɪdəl/
adjective
  1. Relating to or shaped like the mastoid bone or mastoid process.
    • The mastoidal region of the skull is important for ear health.
    • The mastoidal shape helps protect the inner ear.
    • Doctors examined the mastoidal area for any swelling.
Synonyms
What does "mastoidal" mean? | whatsthatwordmean | whatsthatwordmean