headboard
/ˈhedbɔːd/noun
1
- an upright panel forming or placed behind the head of a bed床头板。
2
- a board on the front of a train bearing the name of the route or service for which it is being used火车信息牌板。
3
- Sailing a reinforcement at the top of a triangular sail such as a mainsail【航海】（三角帆顶端的）加固帆（如主桅帆）。