Barley (noun)

1. A cereal plant that is the most important kind grown in cool climates, the grain of which is ground to make flour for bread, beer, and whisky, and the straw of which is used for fodder.
2. The grain of the barley plant, used for food, brewing and as a source of malt.

Origin:

Old english bere, of germanic origin; related to dutch gerst and german gerste.

Examples:

1. Barley is one of the oldest cultivated crops in the world.
2. Barley is an important ingredient in making beer.
3. Barley is a staple food in many parts of the world.
4. Barley is a good source of dietary fiber.
5. Barley is a cereal crop that grows in cool climates.