noun 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.

us / ˈklʌs·tər / a group of similar things growing or held together, or a group of people or things that are close together: dense clusters of delicate pink blossoms

a group of similar things growing or held together, or a group of people or things that are close together: dense clusters of delicate pink blossoms This section of town has a large cluster of fast-food restaurants.

cluster noun A group or bunch of several discrete items that are close to each other. A cluster of flowers grew in the pot. cluster noun A group of galaxies or stars that appear near each other. The Pleiades cluster contains seven bright stars.

1. A group of the same or similar elements gathered or occurring closely together; a bunch: "She held out her hand, a small tight cluster of fingers" (Anne Tyler). 2. Linguistics Two or more successive consonants in a word, as cl and st in the word cluster.