agglomerate (v.)

1680s, "collect or gather in a mass" (trans.), from Latin agglomeratus, past participle of agglomerare "to wind or add onto a ball," from ad "to" (see ad-) + glomerare "wind up in a ball," from glomus (genitive glomeris) "ball of yarn," which is of uncertain origin (see glebe). Intransitive sense "grow into a mass" is from 1730. Related: Agglomerated; agglomerating.

Others Are Reading

Definitions of agglomerate from WordNet
agglomerate (n.)
volcanic rock consisting of large fragments fused together;
agglomerate (n.)
a collection of objects laid on top of each other;
Synonyms: pile / heap / mound / cumulation / cumulus
agglomerate (adj.)
clustered together but not coherent;
an agglomerated flower head
Synonyms: agglomerated / agglomerative / clustered