What's the plural form of Roxburgh binding? Here's the word you're looking for.
Answer
The noun Roxburgh binding can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be Roxburgh binding.
However, in more specific contexts, the plural form can also be Roxburgh bindings e.g. in reference to various types of Roxburgh bindings
or a collection of Roxburgh bindings.