A toroid is a shape like a donut or a ring.
The word toroid is used in math and science to talk about shapes.
Examples:
A toroid looks like a donut.
The toy is shaped like a toroid.
I want a toroid for breakfast.
I dreamt I was flying in a toroid.
The planet was shaped like a giant toroid.
The toroid is a shape like a donut or a ring.