mount

noun

1.
a lightweight horse kept for riding only
Derived from:
mount
2.
the act of climbing something
Derived from:
mount
3.
a land mass that projects well above its surroundings; higher than a hill
4.
a mounting consisting of a piece of metal (as in a ring or other jewelry) that holds a gem in place
Derived from:
mount
5.
something forming a back that is added for strengthening
Derived from:
mount