All 5 Uses

plateau
in
Flags of Our Fathers
(Edited)

Bulging at its northeast plateau, tapering down to Mount Suribachi at its southwestern tip, it resembles an upside-down pear with Suribachi at its stem.
Chpt 6.

plateau = high land that is reasonably flat
From the right flank of the plateaulike land on the eastern beaches came automatic-weapons fire that swept back and forth.
Chpt 7.
Easy Company, reunited with its patrol that descended Suribachi the night before, was ready to join the great offensive on the northern plateau.
Chpt 13.
The terrain—rocky plateaus abutting on steep cliffs, shallow ravines; "like hell with the fire out" in the words of one correspondent—offered the usual absence of cover.
Chpt 13.
Area after area on the northern plateau was declared "secure"—each area having been won at appalling cost.
Chpt 13. *

Definitions:

(1) (plateau as in: found on the plateau)
high land that is reasonably flat
(2) (plateau as in: reached a plateau in our growth)
a time of little change after more rapid change -- typically to stop increasing
(3) (meaning too rare to warrant focus)
Less commonly, the expression tibial plateau refers to the flat top portion of the tibia bone (running from the knee to the ankle).