A glaring can also be a clowder or clutter. It refers to a group of cats generally of three and more. The term can be used interchangeably to refer to the same aspect.
There it takes at least 4 cats to make glaring and it's particularly if the cats are uncertain of each other and three or more cats group is called a clowder.
A "glaring" is not a term that is commonly used to refer to a group of cats. I'm not sure how many cats would be in a "glaring," but typically a group of cats is referred to as a "clowder." A clowder typically contains two or more cats.
A glaring is a term used to describe a group of cats. There isn't a specific number associated with it, but it's generally used in a poetic or imaginative context rather than a precise count.
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