Jar should hold fire (5)

I believe the answer is:

grate

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'jar' is the definition.
(both can mean to disturb or annoy)

I can't explain the remainder of the clue.

(Other definitions for grate that I've seen before include "Rasp; shred" , "Make a harsh rasping sound" , "rankle" , "Rasp; fire holder" , "Shred - jar" .)

I've seen this clue in The Irish News.

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