Cattle round-up (5)
I believe the answer is:
rodeo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cattle round-up</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for rodeo that I've seen before include "Horse sporting event for cowboys" , "Originally, a round up of cattle" , "Cattle round-up" , "Contest of cowboy skills" , "show with mounting excitement" .)