Definition of: agglomerate

(ə·glom′ə·rāt) v.t. & v.i. ·at·ed, ·at·ing
To gather, form, or grow into a ball or rounded mass.
—adjective (ə·glom′ər·it, -ə·rāt) Gathered into a mass or heap; clustered densely.
—noun (ə·glom′ər·it, -ə·rāt)
1. A heap or mass of things thrown together indiscriminately.
2. Geol. An unstratified mass of compacted volcanic debris with fragments of all sizes. [<L agglomeratus, pp. of agglomerare <ad- to + glomerare gather into a ball < glomus ball]
—ag·glom·er·at·ic (ə·glom′ə·rat′ik), ag·glom′er·a′tive adjective