The Collaborative International Dictionary of English v.0.48:

Conglomerate \Con*glom"er*ate\, n.
   1. That which is heaped together in a mass or conpacted from
      various sources; a mass formed of fragments; collection;
      accumulation.
      [1913 Webster]

            A conglomerate of marvelous anecdotes, marvelously
            heaped together.                      --Trench.
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   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.
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            A conglomerate, therefore, is simply gravel bound
            together by a cement.                 --Lyell.
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The Collaborative International Dictionary of English v.0.48:

Conglomerate \Con*glom"er*ate\, v. t. [imp. & p. p.
   Conglomerated; p. pr. & vb. n. Conglomerating.]
   To gather into a ball or round body; to collect into a mass.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Conglomerate \Con*glom"er*ate\, a. [L. conglomeratus, p. p. of
   conglomerare to roll together; con- + glomerare to wind into
   a ball. See Glomerate.]
   1. Gathered into a ball or a mass; collected together;
      concentrated; as, conglomerate rays of light.
      [1913 Webster]

            Beams of light when they are multiplied and
            conglomerate.                         --Bacon.
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            Fluids are separated in the liver and the other
            conglobate and conglomerate glands.   --Cheyne.
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   2. (Bot.) Closely crowded together; densly clustered; as,
      conglomerate flowers. --Gray.
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   3. (Geol.) Composed of stones, pebbles, or fragments of
      rocks, cemented together.
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WordNet (r) 3.0 (2006):

conglomerate
    adj 1: composed of heterogeneous elements gathered into a mass;
           "the conglomerate peoples of New England"
    n 1: a composite rock made up of particles of varying size [syn:
         pudding stone, conglomerate]
    2: a group of diverse companies under common ownership and run
       as a single organization [syn: conglomerate, empire]
    v 1: collect or gather; "Journals are accumulating in my
         office"; "The work keeps piling up" [syn: accumulate,
         cumulate, conglomerate, pile up, gather, amass]