Definition of remounts:
(v) :
(intransitive) To get back on a horse, bicycle etc.
(v) :
(transitive) To help (someone) back on a horse.
(v) :
(transitive) To get back on (an animal, vehicle) again.
(v) :
(intransitive) To go up again; to rise another time.
(v) :
(transitive) To ascend (something) again.
(v) :
(transitive) To fix (something) back into position.