Answer:

roundup

AnswerCrossword Clue
ROUNDUPCattle gathering
ROUNDUPSummarization
ROUNDUPSummary
ROUNDUPSubject of a Bing Crosby song.
ROUNDUPCollect: Colloq.
ROUNDUPGathering,
ROUNDUPCowboys' activity.
ROUNDUPCowboy activity.
ROUNDUPRodeo.
ROUNDUPBring together: Colloq.
ROUNDUPRange event
ROUNDUPAssemble
ROUNDUP"The Last ...,"1933 ballad
ROUNDUPRanchers' event
ROUNDUP"... the usual suspects" ("Casablanca" quote)
ROUNDUPCommon scene in westerns
ROUNDUPCowboys' activity
ROUNDUPRanch routine
ROUNDUPBig name in weed killers