Is there a way to give a ray width?

Let’s say I wanted to see if there was any part under a character less than 10 studs below and within a 5 stud radius. I would want to raycast down,-10,0) but how would I handle the 5 stud radius part? Is there a way to give a ray those dimensions?

You would have to use Region3 instead of rays here, EgoMoose made a very good Region3 module that lets you do that in shapes and rotations such as cylinders, which could help in your case, here is the module: