What is plural sense?

"Plural sense" isn't a commonly used term in linguistics or any specific field. It's possible you're encountering a misunderstanding or a unique usage.

To understand what you might be referring to, could you please provide more context?

For example:

* Where did you encounter this term? Was it in a book, article, conversation, etc.?

* What was the context? What were they talking about when they mentioned "plural sense"?

With more information, I can provide a more accurate and helpful explanation.