What does the french word sur mean?

The French word "sur" has several meanings depending on the context. Here are some of the most common ones:

Preposition:

* On: "Le livre est sur la table." (The book is on the table.)

* Over: "Le pont est sur la rivière." (The bridge is over the river.)

* About: "Un livre sur l'histoire de France." (A book about the history of France.)

Adverb:

* Above: "Il est monté sur le toit." (He climbed above the roof.)

* More: "Il a sur 50 ans." (He is more than 50 years old.)

* Over: "Le film dure sur deux heures." (The movie lasts over two hours.)

Other meanings:

* Super, very, extremely: "C'est sur bon." (This is super good.)

* Sure: "Oui, je suis sur." (Yes, I'm sure.)

It's important to consider the context to determine the most accurate meaning of "sur".