roundup

noun

1. ☆
   1. the act of driving cattle, etc. together on the range and collecting them in a herd, as for branding, inspection, or shipping
   2. the herd of cattle, etc. thus collected
   3. the cowboys, horses, etc. that do this work
2. ☆ any similar driving together, collecting, or gathering: a roundup of suspected persons
3. ☆ a summary, as of information, news, etc.