1909 11 Jan. 8/1 In the case of a run-down between third base and the plate, the decision is to be given..by the plate umpire if it [sc. the play] is made near home.
1947 B. Feller v. 36 The plate umpire that day again was Harry Geisel.
1991 12 Feb. d4/5 I assumed what I thought was a proper plate-umpire position, in ‘the slot’, over the catcher's shoulder.