1. Material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds
   "The farmer separated the wheat from the chaff";
   - husk, shuck [N. Amer], stalk, straw, stubble
    
2. Foil in thin strips; ejected into the air as a radar countermeasure
   "The aircraft released chaff to confuse enemy radar systems"

1. Be silly or tease one another
   "After we relaxed, we just chaffed around";
   - kid [informal], jolly [informal], josh [informal], banter

Derived forms: chaffed, chaffs, chaffing

Type of: bait, cod [Brit, informal], foil, plant material, plant substance, rag, rally, razz [N. Amer, informal], ride [N. Amer, informal], taunt, tease, twit [informal], wind up [Brit, informal]

Encyclopedia: Chaff