(historical)a post set up as a mark in tilting with a lance, typically with a sandbag attached that would swing round and strike an unsuccessful tilter (史)矛靶 ■(the quintain)the medieval military exercise of tilting at such a post (中世纪)持矛刺靶军训
语源
late Middle English: from Old French quintaine, perhaps based on Latin quintana, a street in a Roman camp separating the fifth and sixth maniples, where military exercises were performed (from quintus 'fifth')