In other places, whole stacks of them are clumped together.

The main road in the town has not even a square, just several buildings clumped together, on both sides.

The crowd was beginning to thin, and the women who'd not found their lost loves were clumping together.

There is still much I don't even begin to understand, but for seven days, the bits have been clumping together into a vague picture.

If you cut yourself, platelets stop blood loss by clumping together.

Five painters have been clumped together here, but don't take the title too seriously.

The others in the firelight clumped together and faced me.

It is based on the theory that in the early universe, cold and slow moving dark matter particles clumped together.

A village of reed huts was clumped together on the far side.

Roosting birds clumped together in groups of 3 to 5 individuals.