pier  
noun [ C ] uk/pɪər/ us/pɪr/
  (PLATFORM)       
  (伸向海中的)突堤,长堤
a long structure sticking out from the land over the sea, where people can walk or large boats can be tied, sometimes with restaurants and places of entertainment on it
  凸式码头,突堤码头
a low structure built at the edge of water, used especially for getting into and out of boats
   (COLUMN)     
 architecture specialized桥墩;支柱 
a strong thick column used to support a wall, roof, or other structure