Conglomerate

a.
  1. Gathered into a ball or a mass; collected together; concentrated; as, conglomerate rays of light.
  2. (Bot.) Closely crowded together; densly clustered; as, conglomerate flowers.
  3. (Geol.) Composed of stones, pebbles, or fragments of rocks, cemented together.

n.
  1. That which is heaped together in a mass or conpacted from various sources; a mass formed of fragments; collection; accumulation.
  2. (Geol.) A rock, composed or rounded fragments of stone cemented together by another mineral substance, either calcareous, siliceous, or argillaceous; pudding stone; -- opposed to agglomerate. See Breccia.

v. t.
  1. To gather into a ball or round body; to collect into a mass.