ban·de·ri·lla /ˌbændəˈri(l)jə/
  Ban·de·ril·la n.  A barbed dart carrying a banderole which the banderillero thrusts into the neck or shoulder of the bull in a bullfight.
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  banderilla
       n : a decorated dart that is implanted in the neck or shoulders
           of the bull during a bull fight