In French, the word for notebook is cahier. It is a masculine noun. Therefore, you would use masculine articles and adjectives with it. For example:
- Un cahier (a notebook)
- Le cahier (the notebook)
- Ce cahier est utile (This notebook is useful)
Remembering the gender of nouns in French can be challenging, but with practice, it becomes easier. Always try to learn the article (un, une, le, la) along with the noun to help remember its gender.