ˈitemizer [f.prec. + -er1.] One who itemizes; also (U.S.), One who furnishes items to a newspaper. 1860Congregationalist 21 Sept. (Cent.Dict.), An itemizer of the ‘Adams Transcript’.1887in Bible Soc.Rec. (U.S.) Feb. 27/2 The itemizers have often been huge misinterpreters of the gospel.