Definitions

1. noun

A gathering or collection of people or things, especially for a particular purpose.

“The cowboy led the herd through the final stages of the cattle roundup.”

2. verb

To gather or collect people or things, especially for a particular purpose.

“The police rounded up the protesters and arrested them for causing a disturbance.”

3. verb

To defeat or overcome a number of people or things, especially in a competition or contest.

“The team rounded up their opponents to win the championship game.”

4. noun

A product containing a mixture of weed killers, typically applied to lawns to control weeds.

“The homeowner used a new roundup to kill the unwanted weeds in their garden.”