A chinois is a cone-shaped sieve made with fine metal mesh. It's traditionally used for straining things that are intended to be very smooth, like stocks, sauces and soups. It usually has a metal or plastic handle and a little overhang on the opposite side, in order to rest it upright in a tall pot or a sink.

What is the purpose of a chinois in food preparation?

A kitchen utensil, similar to a sieve, which is used to filter ingredients and separate undesired items such as seeds, skins, or lumpy particles in order to create a very clear liquid.

What is the difference between a chinois and a strainer?

A fine mesh strainer, also known as chinois, is used for straining liquids when a velvety texture is desired. These tend to be expensive, but are a must for any serious home cook. Some even come with a pestle to help you strain every ounce of food (but you could always use the back of a ladle).