tailback

美 [ˈteɪlˌbæk]
英 ['teɪl.bæk]
  • n.(车辆因受阻而排成的)长队
  • 网络殿卫;堵车;尾后卫
复数:tailbacks  
tailback
n.
1.
[c]
(车辆因受阻而排成的)长队,长蛇阵a long line of traffic that is moving slowly or not moving at all, because sth is blocking the road