Round-up n.
1. The act of collecting or gathering together scattered cattle by riding around them and driving them in. [Western U.S.]
2. A rounding up, or upward curvature or convexity, as in the deck of a vessel.
2. A gathering in of scattered persons or things; as, a round-up of criminals. [Colloq., U. S.]
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roundup
n 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"