Definition of "rollup"

rollup

noun
plural rollups
1. A kind of food made by wrapping ingredients in another food, e.g. fajitas.
  Quotations
  He considered moving to the dining room, but ordered a fourth vodka martini and sent it down in three gulps to join a half-dozen bacon rollups and two baked cheese appetizers.
  2009, Jonathan Bryan, Questings: A Parable, page 50
2. A kind of flat, pectin-based, fruit-flavored snack rolled into a tube.
3. A self-made cigarette of tobacco and rolling paper.
4. A business technique where multiple small companies in the same market are acquired and merged.
  Quotations
  In geographic rollups, it's more important to hold on to key employees — and customers — than to realize efficiencies quickly.
  2013, Annette Risberg, Mergers & Acquisitions: A Critical Reader
5. (computing) A collection of software updates distributed as a single package.
  Quotations
  Between issuance of service packs, Microsoft released update rollups for Exchange Server on a regular basis […]
  2014, Michel de Rooij, Jaap Wesselius, Pro Exchange 2013 SP1 PowerShell Administration
6. That which is rolled up; a summation; an aggregation; a total.
  Quotations
  In some cases, you may want to add custom rollups that change the way a measure is calculated on a specific level.
  2013, Simon Lidberg, Getting Started with SQL Server 2012 Cube Development