/id"ee euht sa vahnt", seuh vant", sav"euhnt/ ; Fr. /ee dyoh sann vahonn"/ , pl. idiot savants , Fr. idiots savants /ee dyoh sann vahonn"/ . Psychiatry.
a mentally defective person with an exceptional skill or talent in a special field, as a highly developed ability to play music or to solve complex mathematical problems mentally at great speed.
[ 1925-30; ]