monster

(mon’ster) [L. mon’strum]. A_ fetus malformed or with an exce or deficiency of parts; a teratism. autositic m., one capable of independent life. compound m., a monster made up of parts of more than one individual. double m. Same as twin m. endocymic m., a monster which never comes to birth, but is retained and forms the basis of a dermoid tumor. Gila m., a venomous lizard, Heloder’ma hor'ridum, of Mexico and the southwestern part of the United States. parasitic m., an imperfect fetus attached to another and unable to exist alone. triplet m., a monster containing parts of three individuals. twin m., a monster consisting of two individuals joined at some point.