Dictionary: coldmeat
cold meat (Amer.) = kalter Braten
cold meat [COOK.] = der Aufschnitt pl.: die Aufschnitte
sausages and cold meat [COOK.] = die Wurstwaren pl.
coldmeat store [COMM.] = Laden mit Wurst- und Fleischwaren
AHD doesn't have coldmeat or cold meat, though it has cold cut, of course: https://ahdictionary.com/word/search.html?q=c...
cold cut n.
A slice of cold cooked or cured meat: The caterer offered many kinds of cold cuts.
Neither OALD nor CALD have coldmeat/cold meat, but they do have cold cuts.
Does anyone say any of these? If I saw "cold meat," I would think of literally that: meat that is cold, probably leftovers (chicken, slices of ham) that you eat cold out of the refrigerator. I would not immediately think of cold cuts (Aufschnitt) or any kind of sausage (cold hot dogs anyone?).