aggregator

[ag-ri-gey-ter] /ˈæg rɪˌgeɪ tər/
noun
1.
a person or thing that aggregates.
2.
Digital Technology. a Web-based or installed application that aggregates related, frequently updated content from various Internet sources and consolidates it in one place for viewing:
an automated news aggregator.
Compare feed (def 23), RSS.
3.
a company that negotiates the purchase of public-utility services on behalf of a group of customers but does not sell the services:
an electric power aggregator.
Origin
aggregate + -or2
British Dictionary definitions for aggregator

aggregator

/ˈæɡrɪˌɡeɪtə/
noun
1.
a business organization that collates the details of an individual's financial affairs so that the information can be presented on a single website
2.
a firm that brings together a large group of consumers on whose behalf it negotiates reduced rates for good or services, esp in the energy sector
3.
a web application that draws together syndicated content from various online sources and displays it in a single location for the user’s convenience
aggregator in Technology
networking
A program for watching for new content at user-specified RSS feeds.
An example is BottomFeeder.
(https://directory.google.com/Top/Reference/Libraries/Library_and_Information_Science/Technical_Services/Cataloguing/Metadata/RDF/Applications/RSS/News_Readers/).
(2003-09-29)