WordNet
cut of mutton
n. piece of a mature sheep
Usage examples of "cut of mutton".
From what I gather, he just walked up to a patrol of guards not far from the council chambers and asked where he could find Lord Rahl, as if just anyone can walk in and ask to see the Master of D'Hara, as if he was a head butcher that anyone can go to if they want a choice cut of mutton.
After a few minutes Ygerna came back inside, carrying a large cut of mutton.