The term sifter is related to the word SIEVE, which is a device used to separate smaller particles from larger ones. A sifter is a type of SIEVE that is used to separate out fine particles from larger ones. It is typically made of a mesh or screen and is used in a variety of industries, such as baking, agriculture, and mining. Sifters are also used in food preparation, where they are used to remove lumps and other impurities from flour and other ingredients.