Here are some possible meanings of "ou" in French:
* "or" (as a conjunction) - used to link alternatives
* Example: "Voudrais-tu du thé ou du café?" (Would you like tea or coffee?)
* "where" (as an interrogative pronoun)
* Example: "Où est la bibliothèque?" (Where is the library?)
* "where" (as a relative pronoun)
* Example: "Le village où j'ai grandi" (The village where I grew up)
If you provide me with the full sentence or phrase where you saw "ou," I can help you understand its meaning in that specific context.