Crossword Genius

Ask hoarsely for tool (4)

Ross

I believe the answer is:

rasp

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

'for tool' is the definition.
(rasp is a kind of tool)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for rasp that I've seen before include "Grating noise; file" , "Grate; scrape" , "Coarse file or grating sound" , "It is used to grate" , "Harsh grating sound" .)

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