pier

plural piers

1. A raised platform built from the shore out over water, supported on piles; used to secure, or provide access to shipping; a jetty.

   Your boat is docked at the pier.

2. A similar structure, especially at a seaside resort, used to provide entertainment.

   There is a gaming arcade on the pier.

   2 more examples

   A fresh breeze comes off the water and down the pier.

   1992, Neal Stephenson, Snow Crash, page 234

   Ryde Pier's claim to fame is being the world's oldest seaside pleasure pier, with construction starting in 1813.

   2023 March 22, Paul Clifton, “Network News: Island Line to reopen to Ryde Pier in June... possibly”, in RAIL, number 979, page 24

3. A structure supporting the junction between two spans of a bridge.

   The force of the explosion demolished one pair of piers and two spans of the bridge crashed down into the river on top of the barges.

   1961 January, “Talking of Trains: The Severn Bridge disaster”, in Trains Illustrated, page 5

4. architectureA rectangular pillar, or similar structure, that supports an arch, wall or roof, or the hinges of a gate.
5. aeronauticsA long corridor-like building with multiple gates extending from an airport terminal.

   The new £216m pier will be used by all airlines currently operating out of T2, with more and more flights gradually moving over to the new pier once it becomes fully operational.

   2019 April 2, “Manchester Airport opens new pier at Terminal 2”, in Airport Technology