Crossword Genius

Jack may work on this ecclesiastical point (7)

Ross

I believe the answer is:

steeple

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'point' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for steeple that I've seen before include "Jack up this?" , "point" , "that the church may be under" , "Pet eels (anag)" , "Tall tower with spire on top of church" .)

I've seen this clue in The Irish News and The Globe and Mail.
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