Everest has 4 different meanings across 2 categories:
Noun · Proper Noun
a mountain in the central Himalayas on the border of Tibet and Nepal; the highest mountain peak in the world (29,028 feet high)
To repeatedly cycle up steep roads with a total distance equal to the height of Mount Everest.
Ellipsis of Mount Everest
A mountain on the border of Tibet, China and Nepal