clustered

adj

1. (not-comparable)Grouped into a cluster.
2. (not-comparable)Used as the clustering key of a clustered index.

verb

1. (form-of, participle, past)simple past and past participle of cluster

   “He was thinking; but the glory of the song, the swell from the great organ, the clustered lights, […], the height and vastness of this noble fane, its antiquity and its strength—all these things seemed to have their part as causes of the thrilling emotion that accompanied his thoughts.”