What is a group of cluster clouds called that are connected together and look like crumpled cotton wool?

<p style=";text-align:left;direction:ltr">Arab Weather - A group of clustered clouds that are connected to each other and resemble wrinkled cotton balls are called cumulus clouds or stratocumulus clouds. These clouds usually have a flat base and puffy, cotton-like tops. They often appear in good weather, but they can sometimes develop into large cumulus clouds that can cause storms.</p>