fat; tallow; lard; grease
「脂」 has another reading with different meanings.
resin (from trees)
oil
この肉は脂が多くて少し重たい感じがする。
This meat has a lot of fat and feels a bit heavy.
脂っこい料理は胃に負担がかかると思う。
I think greasy food is hard on the stomach.
顔の脂を取るためにあぶらとり紙を使う。
I use oil blotting paper to remove oil from my face.