[{"Bold_text": "noun", "List Items": ["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 thestr-cluster ofstrap.", "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 globular cluster, open cluster open cluster, stellar association stellar association."]}, {"Bold_text": "verb (used with object)", "List Items": ["to gather into a cluster or clusters.", "to furnish or cover with clusters."]}, {"Bold_text": "verb (used without object)", "List Items": ["to form a cluster or clusters:The people clustered around to watch.Synonyms: bunch , crowd , throng , gather , group"]}]