1. [ adjective ] of or relating to or in the region of the mastoid process
Related terms: mastoid
2. [ noun ] (anatomy,zoology) process of the temporal bone behind the ear at the base of the skull
Synonyms: mastoid_process mastoid_bone mastoid
Related terms: process temporal_bone mastoidale
3. [ adjective ] relating to or resembling a nipple
Synonyms: mastoid
Related terms: nipple
Similar spelling:   mastoidale