Meaning

noun material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds

noun foil in thin strips; ejected into the air as a radar countermeasure

verb be silly or tease one another

originFrom Middle English chaf, from Old English ċeaf, from Proto-West Germanic *kaf. Cognate with Scots caff, Saterland Frisian Sääf, West Frisian tsjêf, Dutch kaf, German Low German Kaff, regional German Kaff.

Etymology from Wiktionary, CC BY-SA 3.0