n. [ It. matto mad (cf. L. mattus, matus, drunk) + -oid. ] A person of congenitally abnormal mind bordering on insanity or degeneracy. [ Webster 1913 Suppl. ]
a. [ Gr. &unr_;;
a. Same as Mastoid. [ 1913 Webster ]
n. [ NL. See Mastoid, and -itis. ] (Med.) Inflammation in the mastoid process of the temporal bone. [ Webster 1913 Suppl. ]