1. The activity of gathering livestock together so that they can be counted or branded or sold 
2. A summary list; as in e.g. "a news roundup" 
3. The systematic gathering up of suspects by the police
   "a mass roundup of suspects"

1. Seek out and bring together
   "round up some loyal followers"

Derived forms: rounds up, rounding up, rounded up, roundups

Type of: collect, garner, gather, police investigation, police work, pull together, ranching, summary, sum-up

Encyclopedia: Round up

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