The stink bug can hide in wine grape clusters and then taint the juice when the grapes are crushed.

If you are really lucky you may encounter a cluster of living sand dollars, half buried in the sand.

The protons and neutrons cluster together in the center of the atom in what is called the nucleus. The electrons orbit around the nucleus.

Ortygia's port we leave, and skim the mere; / soon Naxos' Bacchanalian hills appear, / and past Olearos and Donysa, crowned / with trees, and Paros' snowy cliffs we steer. / Far-scattered shine the Cyclades renowned, / and clustering isles thick-sown in many a glittering sound.

Epidemiologists refer to a group of cases of the same disease or condition in a particular area as a cluster.

The nymphs clustered around her and the child that lay asleep in her lap, with expressions of curiosity and delight.

Grapes grow in thick clusters that are easy to pick.

The massive spider seen crawling across the sky on a glowing web is pure fiction, but the concept alludes to something called the cosmic web, which is the large-scale organization of matter and dark matter in the universe: Thin filaments of normal matter and dark matter connect clusters of galaxies, like roadways between major cities.

The attempt to contain the spread of the virus backfired, as 542 people became infected, making it the largest cluster of confirmed cases outside of China.

They clustered around the fire.