a number of things of the same kind, growing or held together; a bunch

a cluster of grapes.

a group of things or persons close together

There was a cluster of tourists at the gate.

U.S. Army . a small metal design placed on a ribbon representing an awarded medal to indicate that the same medal has been awarded again

oak-leaf cluster.

Phonetics . a succession of two or more contiguous consonants in an utterance, as the str- cluster of strap.

Astronomy . a group of neighboring stars, held together by mutual gravitation, that have essentially the same age and composition and thus supposedly a common origin. Compare globular cluster , open cluster , stellar association .

to gather into a cluster or clusters.

to furnish or cover with clusters.

to form a cluster or clusters

The people clustered around to watch.

noun

individual , one

verb

disperse , dissemble , let go , scatter

noun

array , assemblage , band , batch , bevy , blob , body , bunch , bundle , chunk , clump , clutch , collection , covey , crew , gathering , hunk , knot , lot , pack , party , set , agglomeration , aggregation , conglomerate , crowd , fascicle , mass , nucleation , panicle , pile , racematiofl , raceme , truss , tuft

verb

accumulate , aggregate , associate , bunch , bunch up , bundle , collect , crowd around , cumulate , flock , gang around , gather , package , parcel , round up , congregate , convene , forgather , get together , group , muster , call , convoke , summon , agglomerate , band , clump , collection , conglomerate , converge , heap , knot , lump , mass , nucleate , swarm , tuft