The grandmother
In French, 'la grand-mère' refers to the mother of one's mother or father. It is a feminine noun, so you use 'la' (the) instead of 'le'. This word is quite straightforward to use. Simply replace 'the grandmother' with 'la grand-mère' in a sentence.
The grandmother is preparing dinner in the kitchen.
This sentence is using 'La grand-mère' to indicate an action performed by the grandmother. In this context, she is preparing dinner in the kitchen.
Jean loves visiting the grandmother during the holidays.
Here, 'La grand-mère' is used to signify a person Jean visits during the holidays. In this sentence, Jean enjoys visiting his grandmother.
Pierre's grandmother lives in a small town.
In this sample, 'La grand-mère' is utilized to show relationship and residence. Specifically, it tells about Pierre's grandmother living in a small town.