Mattoid

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Mattoid \Mat"toid\, n. [It. matto mad (cf. L. mattus, matus,
     drunk) + -oid.]
     A person of congenitally abnormal mind bordering on insanity
     or degeneracy.
     [Webster 1913 Suppl.]