Flying toy with a tail (4)
I believe the answer is:
kite
'flying toy with a tail' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for kite that I've seen before include "Winger" , "Raptor - flying toy" , "Soaring bird of prey" , "Wind-borne toy" , "Bird of prey - light, wind-borne structure" .)