1. material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds
Definition categories: substance
2. foil in thin strips; ejected into the air as a radar countermeasure
Definition categories: man–made, foil
Sentences with chaff as a noun:
- To separate out the chaff, early cultures tossed baskets of grain into the air and let the wind blow away the lighter chaff.
- There are plenty of good books on the subject, but take care to separate the wheat from the chaff.