Chaff (pronounced /ˈtʃɑːf/ or /ˈtʃæf/) is the dry, scaly protective casings of the seeds of cereal grain, or similar fine, dry, scaly plant material such as scaly parts of flowers, or finely chopped straw. Chaff is inedible for humans, but livestock can eat it and in agriculture it is used as livestock fodder, or is a waste material ploughed into the soil or burnt.

Contents

• 1 Etymology
• 2 Grain chaff
• 3 Straw chaff
• 4 Botany
• 5 Metaphor
• 6 See also
• 7 References

Etymology

"Chaff" comes from Middle English chaf, from Old English ceaf, related to Old High German cheva, "husk".

Noun

chaff (uncountable)

1. The inedible parts of a grain-producing plant.

   To separate out the chaff, early cultures tossed baskets of grain into the air and let the wind blow away the lighter chaff.

2. By extension, any excess or unwanted material, resource, or person; anything worthless.

   There are plenty of good websites on the subject, but take care to separate the wheat from the chaff.

3. Loose material dropped from aircraft specifically to interfere with radar detection.

Derived terms

• separate the wheat from the chaff

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Crary Company - Manufacturer of agricultural implements including chaff spreaders, combine hopper extensions, air reels and other harvesting equipment.

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