1. (n.) Any detached mass of masonry, whether insulated or supporting one side of an arch or lintel, as of a bridge; the piece of wall between two openings.

2. (n.) Any additional or auxiliary mass of masonry used to stiffen a wall. See Buttress.

3. (n.) A projecting wharf or landing place.

abutment anchorage anchorage ground arc-boutant arcade atlas baluster balustrade banister bank base basin beam berth breakwater bulkhead bulwark buttress buttress pier buttressing caryatid colonnade colonnette column dado die dock dockage dockyard dry dock embankment flying buttress footstalk groin hanging buttress harbor harborage haven jack jetty jutty landing landing place landing stage levee marina mole moorings newel-post pedestal pedicel peduncle peristyle pier buttress pilaster pile piling pillar plinth pole port portico post protected anchorage quay queen-post rampart retaining wall road roads roadstead seaport seawall shaft shipyard shoulder slip socle staff stalk stanchion stand standard stem subbase support surbase telamon trunk upright wharf wharfage