Crossword Genius

Hottish gospeller? (4)

Ross

I believe the answer is:

luke

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

I don't understand how the remainder of the clue works.

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(Other definitions for luke that I've seen before include "One of the four Evangelists" , "Gospel writer" , "Traditionally the author of the third Gospel" , "One of the Apostles" , "Biblical evangelist" .)

I've seen this clue in the Sydney Morning Herald.
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