1. Plural of cahier; notebooks or booklets, especially those used for writing or record-keeping.
Usage: French loanword; Often used in historical or academic contexts
2. In French history, written statements of grievances and demands presented to the king, especially those compiled before the French Revolution.
Usage: historical; French context

Examples

• The students kept their notes in cahiers throughout the school year.
• The museum displayed cahiers from the 18th century.
• Before the Revolution, the cahiers de doléances expressed the people's complaints.
• She organized her research in several cahiers by topic.
• The cahiers provided valuable historical records of public sentiment.