The point of junction between two things, in particular a support, that abuts. [First attested in the mid 17th century.]
(engineering, architecture) The solid portion of a structure that supports the lateral pressure of an arch or vault. [First attested in the mid 18th century.]
(engineering) A construction that supports the ends of a bridge; a structure that anchors the cables on a suspension bridge. [First attested in the mid 18th century.]
Something that abuts, or on which something abuts. [First attested in the mid 18th century.]
