Pla‐teau″ (?), n.; pl. F. Plateaux (F. �; E. �), E. Plateaus (#). [F., fr. OF. platel, properly a little plate. See Plate.] 1. A flat surface; especially, a broad, level, elevated area of land; a table-land.
2. An ornamental dish for the table; a tray or salver.