A cluster of heterogeneous things.

(business) A corporation formed by the combination of several smaller corporations whose activities are unrelated to the corporation's primary activity.

(geology) A rock consisting of gravel or pebbles embedded in a matrix.

(transitive) To combine together into a larger mass.

(transitive, business) To combine together into a larger corporation.

Clustered together into a mass.

(geology) Composed of fragments of rock, pebbles, or stones cemented together.