Mastoidal

a.

1.

Same as Mastoid.

Noun	1.	mastoidal - process of the temporal bone behind the ear at the base of the skull Synonyms: mastoid, mastoid bone, mastoid process
Adj.	1.	mastoidal - of or relating to or in the region of the mastoid process
	2.	mastoidal - relating to or resembling a nipple Synonyms: mastoid

mastoid, mastoid bone, mastoid process