plateau

باللغة العربية: هَضْبَة

1. A largely level expanse of land at a high elevation; tableland.
2. A comparatively stable level after a period of increase. (of a varying quantity)
3. An ornamental dish for the table; a tray or salver. (dated)
4. A notable level of attainment or achievement.
5. Any of several distinct, dose-dependent stages of a dextromethorphan trip.

الجمع plateaus