Grouse, yes, but it doesn't taste the same (4)

I believe the answer is:

beef

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'grouse' is the definition.
(synonyms)

I cannot understand how the remainder of the clue works.

(Other definitions for beef that I've seen before include "Bovine flesh" , "joint, perhaps" , "Meat of the cow" , "Grouse - meat" , "Type of meat" .)

I've seen this clue in the Evening Standard.

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