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WordReference Random House Learner's Dictionary of American English © 2024clus•ter /ˈklʌstɚ/USA pronunciation n. [countable]- a number of things of the same kind, growing or held together;
bunch:a cluster of flowers. - a group of persons or things close together:That cluster of stars is held together by gravitation.
v. - to form or gather in a cluster: [no object]The students clustered around the professor.[~ + object]The students were clustered around the professor.
WordReference Random House Unabridged Dictionary of American English © 2024clus•ter (klus′tər),USA pronunciation n. - 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.
- Military[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.
- Phoneticsa succession of two or more contiguous consonants in an utterance, as the str- cluster of strap.
- Astronomya group of neighboring stars, held together by mutual gravitation, that have essentially the same age and composition and thus supposedly a common origin. Cf. globular cluster, open cluster, stellar association.
v.t. - to gather into a cluster or clusters.
- to furnish or cover with clusters.
v.i. - to form a cluster or clusters:The people clustered around to watch.
- bef. 900; Middle English; Old English cluster, clyster bunch; cognate with Low German kluster
- 8.See corresponding entry in Unabridged group, gather, throng, crowd, bunch.
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