noun
Refers to beef, pork, lamb, etc., as opposed to poultry or fish. In Japanese culinary contexts, it often contrasts with 白身 (white fish) or 鶏肉 (chicken).
健康のために、赤肉の摂取を控えている。
I'm cutting back on red meat for my health.
noun
dark meat (poultry)
Specifically the darker, fattier meat from chicken or turkey legs and thighs, as opposed to white breast meat (ささみ or 胸肉).
鶏の赤肉は胸肉よりジューシーだ。
Chicken dark meat is juicier than breast meat.