Hawk once to fly high (4)
I believe the answer is:
soar
(Other definitions for soar that I've seen before include "take to the air" , "Rise to a great height" , "Rise high into the air" , "Rise high in flight" , "go high" .)
I believe the answer is:
soar
(Other definitions for soar that I've seen before include "take to the air" , "Rise to a great height" , "Rise high into the air" , "Rise high in flight" , "go high" .)