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