English Dictionary

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.
Source : opted (114318)  - auto

Any additional or auxiliary mass of masonry used to stiffen a wall. See Buttress.
Source : opted (114319)  - auto

A projecting wharf or landing place.
Source : opted (114320)  - auto