aggregation

Noun

1. The act of collecting together, of aggregating.
2. The state of being collected into a mass, assemblage, or (aggregated) sum.
3. A collection of particulars; an aggregate.
4. Summarizing multiple routes into one route.
5. The majority of the parasite population concentrated into a minority of the host population.
6. Kind of object composition which does not imply ownership.
   • The difference between an association and an aggregation is entirely conceptual and is focused strictly on semantics. - 2002, Kirk Knoernschild, edited by Addison-Wesley Professional, Java Design: Objects, UML, and...
7. A component of natural language generation that entails combining syntactic elements.