What do une copine mean in French?

"Une copine" in French means a girlfriend or a female friend. It can be used in both a romantic and platonic context.

Here are some examples:

* "J'ai rencontré une copine au café." (I met a girlfriend/female friend at the café.)

* "C'est ma copine de lycée." (She is my high school girlfriend/female friend.)

* "Elle est ma copine de longue date." (She is my long-time girlfriend/female friend.)

The context will usually make it clear whether "une copine" refers to a romantic or platonic relationship.