Definition of mounts:
(n) :
A hill or mountain.
(n) :
(palmistry) Any of seven fleshy prominences in the palm of the hand, taken to represent the influences of various heavenly bodies.
(n) :
(heraldry) A green hillock in the base of a shield.
(n) :
An animal, usually a horse, used to ride on.
(n) :
(now only figurative) A car, bicycle, or motorcycle used for racing.
(n) :
A mounting; an object on which another object is mounted.