pier

noun

• 1a platform on pillars projecting from the shore into the sea, typically incorporating entertainment arcades and places to eat.
• a structure projecting from the shore into a river, lake, or the sea, used as a landing stage for boats.
• a breakwater or mole.

• 2British a long, narrow structure projecting from an airport terminal, giving passengers access to an aircraft.

• 3a solid support designed to sustain vertical pressure, in particular:
• the pillar of an arch or supporting a bridge.
• a wall between windows or other adjacent openings.