Cowers (6)
'cowers' is the definition.
('cringe' can be a synonym of 'cower')
This is the entire clue.
'cowers' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for quails that I've seen before include "Cringes before the game birds" , "Small game birds" , "Flinches" , "Game birds - shows fear" .)