Crossword Genius

Sheepish sort plastered in Rome (6)

Ross

I believe the answer is:

merino

I'm a little stuck... Click here to teach me more about this clue!

'sheepish sort' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.

'plastered in rome' is the wordplay.
'in rome' anagrams to 'MERINO'.
But, I am not sure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for merino that I've seen before include "The sheep provides fine wool" , "No rime for this sheep" , "Spanish breed of sheep with high quality fleece" , "Sheep with fine quality fleece" , "Long-haired sheep" .)

I've seen this clue in The Sun.
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