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. (Cambridge Dictionary)
A low structure built at the edge of water, used especially for getting into and out of boats. (Cambridge Dictionary)
A pier is a platform sticking out into water, usually the sea, which people walk along or use when getting onto or off boats. (Collins Dictionary)
An intermediate support for the adjacent ends of two bridge spans. (Merriam – Webster)
A platform on pillars projecting from the shore into the sea, typically incorporating entertainment arcades and places to eat. (Oxford Dictionaries)
Pier. Your Dictionary.
Blackpool Central Pier yours for £5million: Town’s iconic 19th century landmark put on market with two others.