• 肉親にくしん — blood relative
• 肉眼にくがん — naked eye
• 焼肉やきにく — grilled meat
• 精肉せいにく — fresh meat
• 赤肉あかにく — red meat
• 肉食にくしょく — carnivorous; meat-eating

The kanji 肉 originally showed the shape of a piece of meat or internal organs. Over time, it became associated with physicality — flesh, muscles, or even the body as a whole. It appears in many body- and food-related terms, linking daily health and appetite.

焼肉やきにくを食たべに行いきましょう。
Let’s go eat grilled meat.

筋肉きんにくを増ふやしたいです。
I want to build more muscle.