One given a bashing at the cookhouse? (4)

I believe the answer is:

spud

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

'cookhouse?' is the definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for spud that I've seen before include "King Edward, e.g." , "Tattie" , "King Edward, say (slang)" , "Starchy bit of food" , "One could be in jacket" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.