What is a vanity in a bathroom?
Similarly, what are bathroom fixtures called?
These are usually called "fixtures." Those specific to handling water are "plumbing fixtures." Those specific to the bathroom are "bathroom fixtures." Those specific to handling bodily wastes (toilets and urinals) are known as "sanitary fixtures."
Likewise, what is a vanity used for?
If you're in the midst of a master bath or powder room remodel, a bathroom vanity is a great option to consider. The beauty of this cabinet, which holds the sink, is that it can provide storage for all, or most, of the everyday products, accessories, and cleaning supplies you need in the bathroom.
By definition: A bathroom vanity is a combination of a sink and the storage structure around it. In addition to storage, it also hides exposed plumbing to keep things looking more neat and tidy. In some cases, bathroom vanities are very streamlined, mostly hiding the plumbing and with minimal storage to speak of.