You should not eat any mushroom that you can not identify or have not had identified by an expert. However, a large white ball shaped solid mushroom is probably a 'puff ball' (see related link) and IF IT IS A PUFF BALL, then it would be edible.
a round ball
round like a ball
it is called a sphere
The homonym for a round object and a formal dance is "ball." It can refer to both a spherical shape and a social gathering for dancing.
round like a ball
More or less like a sphere, that is, like a ball.
I'm pretty sure it's behind the Mushroom Ball toad that you give the Mushroom balls to.
Polyps are the abnormal cells that are formed in the large intestine that look like a mushroom or like a small size ball.
a sphere
'Spherical' means round like a ball.
A Sphere is an the name for a shape of a 3D object that is like a ball or a globe. If the shape is 2D then it is a circle