Heraldic battledress (4,2,4)

I believe the answer is:

coat of arms

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'heraldic battledress' is the definition.
The definition suggests a singular noun which matches the answer.

This is the entire clue.

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(Other definitions for coat of arms that I've seen before include "Armorial bearings" , "Sign of a family" , "Official device" , "Badge" , "Heraldic shield" .)

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

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