Question

What is zoid in geometry?

Answer 1

The term Zoid in geometry use term to refer to "shapes," without definite properties for problems. For example, comparing two groups of shapes and say a "Zoid" is any shape in both groups, then such is the case. It's simply a "nothing," they added an "-oid" in the end to make it sound like a figure.

Answer 2

we know that

On the planet of Zland, Zoids are very special creatures and have powers that are helpful to the people of Zland. A Zoid is a creature that has a triangle marking with a black circle in the triangle on the
interior of its body. The triangle marking is smaller than the creature’s body.

see the picture attached

therefore

the answer is

In geometry a Zoid is a triangle circumscribed in a circle