Reacts like a spooked steed (5)
I believe the answer is:
rears
(Other definitions for rears that I've seen before include "Back ends" , "Sets up" , "Raises" , "bucks" , "Fosters, brings up" .)
I believe the answer is:
rears
(Other definitions for rears that I've seen before include "Back ends" , "Sets up" , "Raises" , "bucks" , "Fosters, brings up" .)