Saintly Norwegian (4)

I believe the answer is:

olaf

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'saintly norwegian' is the definition.
The definition suggests a singular noun which matches the answer.

This is all the clue.

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(Other definitions for olaf that I've seen before include "Man's name; foal (anag.)" , "Name of five Norwegian kings" , "St ---, Norwegian king" , "King and patron saint of Norway" , "King --, cantata by Elgar" .)

I've seen this clue in the Evening Standard.

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