1. small hard seeds of cereal plants such as wheat, rice, or corn
2. very small particles of a substance
3. the natural pattern of lines in wood or the texture of other materials

Examples

• The farmer harvested grains of wheat from his field.
• She added whole grains to her diet for better nutrition.
• Grains of sand covered the beach.
• The wood had beautiful grains running through it.
• Salt crystals formed tiny grains on the table.
• The carpenter worked with the grain of the wood.
• Rice grains scattered across the kitchen floor.