a structure built on posts extending from land out over water, used as a landing place for ships, an entertainment area, a strolling place, etc.; jetty.

(in a bridge or the like) a support for the ends of adjacent spans.

a square pillar.

a portion of wall between doors, windows, etc.

a pillar or post on which a gate or door is hung.

a support of masonry, steel, or the like for sustaining vertical pressure.

a long passageway or corridor that extends from a central area of a building, esp. one at an airport that leads to boarding gates.

noun

berth , buttress , column , dam , dock , jetty , landing , levee , mole , pierage , pilaster , pile , piling , pillar , post , promenade , quay , slip , upright , wharfnotes:a dock is the water next to a wharf or pier and it is not a solid thing , a wharf is built along and parallel to the shore , while a pier runs out and away from or at a right angle to the shore; dock was first a \'natural hollow or creek where a ship could stay at low water\' , anta , breakwater , support , wharf