We don't have synonyms for rear back yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are beat back, read back and roar back.
(v) :
(of a quadruped, usually a horse) To stand on two rear legs, as an aggressive or fearful gesture.
(v) :
(of a person, by extension) To stand, pull back or otherwise reposition oneself, often as a sudden response to a change or in preparation for an imminent reaction.
(v) :
(of a quadruped, usually a horse) To stand on two rear legs, as an aggressive or fearful gesture.
(v) :
(of a person, by extension) To stand, pull back or otherwise reposition oneself, often as a sudden response to a change or in preparation for an imminent reaction.