Found 2 items, similar to Mastoid.
English → English (WordNet) Definition: mastoid mastoid adj : relating to or resembling a nipple [syn: mastoidal] mastoid n : process of the temporal bone behind the ear at the base of the skull [syn: mastoid process, mastoid bone, mastoidal]
English → English (gcide) Definition: Mastoid Mastoid \Mas"toid\, a. [Gr. ?; masto`s the breast + e'i^dos form: cf. F. masto["i]de.] (Anat.) (a) Resembling the nipple or the breast; -- applied specifically to a process of the temporal bone behind the ear. (b) Pertaining to, or in the region of, the mastoid process; mastoidal. [1913 Webster]