[chaf-ee, chah-fee]
adjective, chaffier, chaffiest.
consisting of, covered with, or resembling chaff.

1545–55; chaff1 + -y1

chaffiness, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
chaff1 (tʃɑːf)
1.  the mass of husks, etc, separated from the seeds during threshing
2.  finely cut straw and hay used to feed cattle
3.  something of little worth; rubbish (esp in the phrase separate the wheat from the chaff)
4.  the dry membranous bracts enclosing the flowers of certain composite plants
5.  thin strips of metallic foil released into the earth's atmosphere to confuse radar signals and prevent detection
[Old English ceaf; related to Old High German keva husk]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
However, the drill used in the initial study was not capable of handling light chaffy seed.
Seeds are chaffy and tend to bridge in the seed box of seeding equipment when agitation is not provided.
Drainage from areas fertilized by manure may yield chaffy seed- coats or undigested fragments of oats or corn.
Conventional equipment cannot handle native seeds that are light and chaffy, or have awns or hairy appendages.
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