A heavy, dull sound resembling the impact of heavy objects hitting each other, often described as a thump.

A compact grouping or cluster of something, often forming a rounded shape or mass.

A cluster or grouping of objects or items that are similar in nature or appearance, typically gathered together in a compact and irregular shape.

To gather or cause to gather into a cluster or bunch.

To walk heavily or awkwardly, often with a loud or uneven sound, as if with heavy boots.

To come together in a dense or clustered group.

To move or make a sound like a horse's hooves hitting the ground in a heavy and clumsy manner.