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