What does this fabric abbreviation WV stand for?

"WV" as a fabric abbreviation is not a standard or widely recognized term. It is possible that it is a specific abbreviation used by a particular manufacturer or retailer, or it might be a typo.

To understand what "WV" stands for, you would need more context. For example:

* Where did you see this abbreviation? (e.g., on a clothing tag, in a fabric store, online)

* What was the surrounding information? (e.g., a product description, a list of fabrics)

With more information, it might be possible to decipher the meaning of "WV."