Related topics: Motor vehicles
tail·back /ˈteɪlbæk/ noun [countableC] 1 British EnglishBrETTC a line of traffic that is moving very slowly or not moving at all 〔因交通堵塞而形成的〕车辆长龙 a five-mile tailback on the M25 25号高速公路上长达五英里的塞车长龙
2. American EnglishAmE the player who is the furthest back from the front line in American football 〔美式橄榄球中离对阵争球线最远的〕攻方尾后卫