- (n.) A number of similar things collected together or lying contiguous; a group; as, a cluster of islands.
- (n.) A number of things of the same kind growing together; a bunch.
- (n.) A number of individuals grouped together or collected in one place; a crowd; a mob.
- (v.t.) To collect into a cluster or clusters; to gather into a bunch or close body.
- (v.i.) To grow in clusters or assemble in groups; to gather or unite in a cluster or clusters.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). cluster. Retrieved September 20, 2026, from http://smartdefine.org/cluster/definitions/1988371 |
| Chicago | Webster's. 2011. "cluster" http://smartdefine.org/cluster/definitions/1988371 (accessed September 20, 2026). |
| Harvard | Webster's 2011, cluster, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/cluster/definitions/1988371>. |
| MLA | Webster's. "cluster" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/cluster/definitions/1988371> |