Chaff (noun)

The inedible parts of cereal plants, such as the husks or straw, that are separated from the grain during threshing and winnowing.

Origin:

The word chaff is derived from the old english word ceaf, which means husk or straw, referring to the inedible parts of cereal plants.

Examples:

1. The chaff was blown away by the wind during the threshing process.
2. The chaff is removed from the grain to make it more pure.
3. The chaff was used as a fuel for cooking.
4. The chaff was used as a mulch for the soil.
5. The chaff is not edible for humans or animals and is often discarded.