'rise up' definitions:

Definition of 'rise up'

From: WordNet
verb
Come to the surface [syn: surface, come up, rise up, rise]
verb
Take part in a rebellion; renounce a former allegiance [syn: rebel, arise, rise, rise up]
verb
Stand up on the hind legs, of quadrupeds; "The horse reared in terror" [syn: rear, rise up]