A thick, oily substance used to lubricate machinery or reduce friction. The mechanic applied grease to the gears to ensure they ran smoothly.
Animal fat that is soft and used in cooking or as a lubricant. She used bacon grease to add flavor to the vegetables.
A film or layer of oil or fat that makes a surface slippery. The kitchen floor was covered in grease after the cooking session.
(slang) Money given as a bribe; illicit payment. It took a little grease to get the permit approved on time.
A pomade or hair-styling product used to slick and hold hair in place, especially popular in mid-20th-century styles. He worked a little grease into his hair before heading to the dance.