Lewis & Short

† 1. plătēa (plătĕa, Cat. 15, 7; Hor. Ep. 2, 2, 71), ae, f., = [?PLATEI = ?A ?].

  1. I. A broad way in a city, a street (class.): quis hic est qui in plateam ingreditur? Plaut. Trin. 4, 1, 21: in hac habitasse plateă dictum est Chrysidem, Ter. And. 4, 5, 1; Caes. B. C. 1, 27: purae sunt plateae, Hor. Ep. 2, 2, 71.
  2. II. An open space in a house, an area, court-yard (post-class.), Lampr. Elag. 24.