What does the word genre mean in french?

Genre can have a few meanings depending on context.

It can mean "type" as in what type of thing is this.
It can mean "gender" in the linguistic sense as nouns in French have a "gender". La Chaise is a "female" word, le chapeau is a "male" word. Adverbs, verbs, will "change" to conform to the noun they represent. La chaise bleue, le chapeau bleu.