What does heur mean in french?

"Heur" doesn't exist as a word in French. It might be a misspelling of a word or a specific term within a particular field.

Could you please provide more context? For example:

* Where did you see this word? (e.g., a book, website, conversation)

* What was the surrounding text?

* What do you think it might mean?

This will help me understand what you're looking for and give you a more accurate answer.