Crossword Genius

Sound of the wild corncrake deprived of food (5)

Ross

I believe the answer is:

creak

I'm a little stuck... Click here to teach me more about this clue!

'sound' is the definition.
(I know that creak is a more specific form of the action make noise)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for creak that I've seen before include "harsh squeal" , "Screech, grate" , "Harsh squeaking noise" , "Unoiled hinge sound" , "Squeaking sound" .)

I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution? Install my app