pier
/pɪə(r)/noun
1
- a structure leading out from the shore into the water, in particular从海岸通向水中的构造物, 尤指：
1.1
- Brit. a platform supported on pillars or girders leading out to sea and used as a promenade, typically incorporating entertainment arcades and places to eat〈英〉水上平台（常设有娱乐场所和餐厅）。
1.2
- a similar structure or a solid one, used as a landing stage for boats码头。
1.3
- a breakwater or mole防浪堤; 防波堤。
2
- Brit. a long narrow structure projecting from an airport terminal, along which passengers walk to and from an aircraft〈英〉旅客桥, 上下机走廊。
3
- a solid support designed to sustain vertical pressure, in particular用以承受垂直压力的固体支架, 尤指：
3.1
- the pillar of an arch or supporting a bridge墩, 桥墩。
3.2
- a wall between windows or other adjacent openings窗间墙。
词源
Middle English: from medieval Latin pera, of unknown origin.