The Collaborative International Dictionary of English v.0.48:

Conglomeration \Con*glom`er*a"tion\, n. [L. conglomeratio: cf.
   F. conglomeration.]
   1. The act or process of gathering into a mass; the state of
      being thus collected; collection; accumulation. --Bacon.
      [1913 Webster]

   2. That which is conglomerated; a mixed mass; a hodgepodge.
      [1913 Webster]

WordNet (r) 3.0 (2006):

conglomeration
    n 1: a rounded spherical form [syn: conglomeration,
         conglobation]
    2: a sum total of many heterogenous things taken together [syn:
       aggregate, congeries, conglomeration]
    3: an occurrence combining miscellaneous things into a (more or
       less) rounded mass [syn: conglomeration, conglobation]