C2 noun /tʃæf/
Chaff
balles; choses sans valeur; plaisanteries légères
Meaning
the husks of corn or other seed separated by winnowing; worthless things; light-hearted joking
Example
The farmer separated the wheat from the chaff using traditional methods.
Le fermier a séparé le blé de la balle en utilisant des méthodes traditionnelles.