Cry on bishop’s resignation? It will leave a hole (3)

I believe the answer is:

awl

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

I cannot understand how the remainder of the clue works.

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(Other definitions for awl that I've seen before include "a boring person needs" , "Hide sticker" , "Boring tool sounds comprehensive" , "Tool for hole making" , "Pointed hand-tool" .)

I've seen this clue in The Times.

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