Chaff
Protective casings of the seeds of cereal grain / From Wikipedia, the free encyclopedia
For other uses, see Chaff (disambiguation).
Not to be confused with Bran.
Chaff (/tʃæf/; also UK: /tʃɑːf/)[1] is dry, scale-like plant material such as the protective seed casings of cereal grains, the scale-like parts of flowers, or finely chopped straw. Chaff cannot be digested by humans, but it may be fed to livestock, ploughed into soil, or burned.