What is the collective noun for bottles?

There isn't a widely accepted, specific collective noun for bottles.

However, you could use some of these options depending on the context:

General terms:

* A collection of bottles

* A group of bottles

* A set of bottles

* A case of bottles

More evocative terms:

* A rack of bottles (for wine or other beverages)

* A row of bottles

* A display of bottles

* A cache of bottles (for something hidden or valuable)

* A hoard of bottles (for a large, perhaps unusual, collection)

Ultimately, the best collective noun to use will depend on the specific context and what you want to emphasize.