rush together

Scattergood, out of the corner of his eye, saw them rush together and confer frenziedly.

What hinders these women from rushing to the help of one another, just as two drops of water on a leaf rush together and make one?

They waited till the vessel seemed steady for a moment; then, making a rush together, they caught hold of the cask.

We saw that some different kinds of atoms have a strong tendency to rush together; for example, oxygen and carbon.

Two distant suns, perhaps already stark and cold, rush together with inconceivable force and melt away into nebulous clouds.