A cluster is a small group of people or things. When you and your friends huddle awkwardly around the snack table at a party, whispering and trying to muster enough nerve to hit the dance floor, you’ve formed a cluster.
Cluster comes to us from the Old English word clyster, meaning bunch. Nowadays, you can use cluster as either a noun or a verb. When we were kids, we would stand in a cluster (noun) on the street corner, eagerly awaiting the appearance of the Good Humor truck every afternoon. Then we would cluster (verb) eagerly around the driver, demanding ice cream. Virtually anything can form a cluster — flowers, cells, stars, human beings, and even events.
n a grouping of a number of similar things
a cluster of 5 bright stars forming a cross in the constellation Cygnus
a global cluster in the constellation Centaurus
a star cluster in the constellation Taurus
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a tight cluster of people or things
a bunch of hair or feathers or growing grass
a small tuft or lock
hexenbesen, staghead, witch broom, witches' broom
an abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance
(botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds)
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a jumbled collection or mass