1 (also tailboard) a door at the back of a lorry/truck that opens downwards and that you can lower or remove when you are loading or unloading the vehicle
2 the door that opens upwards at the back of a car that has three or five doors (called a HATCHBACK)
词性: verb
1 [V, VN] (informal, especially AmE) to drive too closely behind another vehicle
2 [V] (AmE) to eat food and drinks outdoors, served from the tailgate of a car
