Crossword Genius

It’ll keep you covered in location of ultimate defeat? (6,3)

Ross

I believe the answer is:

cocked hat

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

'defeat?' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.

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

Can you help me to learn more?

(Other definitions for cocked hat that I've seen before include "Military cover" , "one may knock into" , "Triangular headgear, pointed at front and back" , "capital investment" .)

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