Wordnet 3.0
NOUN (1)
1.
a large plateau to the south and west of the Rocky Mountains;
abuts mountains on the north and east and ends in an escarpment overlooking lowlands to the south and west;
the Grand Canyon is carved out of the southwestern corner;
WordNet (r) 3.0 (2006):
Colorado Plateau
n 1: a large plateau to the south and west of the Rocky
Mountains; abuts mountains on the north and east and ends
in an escarpment overlooking lowlands to the south and
west; the Grand Canyon is carved out of the southwestern
corner