A pigeon among poets? (5)

I believe the answer is:

homer

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'a pigeon' is the definition.
(I know that homer is a type of domestic pigeon)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for homer that I've seen before include "Ancient Greek author" , "Bart Simpson's father" , "Great Greek poet of the Iliad and the Odyssey" , "Epic poet - score at baseball - kind of pigeon" , "linesman" .)

I've seen this clue in the Evening Standard.

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