- 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.]
- 1959 May, “Talking of Trains: Bethnal Green alterations”, in Trains Illustrated, page 236:
- Each of the bridges consists of six separate girder spans on brick abutments.
- (meteorology) The part of a valley or canyon wall against which a dam is constructed.
- Heavy rains have caused the dam's abutments to seep, raising concern over possible dam failure.
- Something that abuts, or on which something abuts. [First attested in the mid 18th century.]
- The state of abutting.
- (architecture) That element that shares a common boundary or surface with its neighbor.
- (dentistry) The tooth that supports a denture or bridge.
- A fixed point or surface where resistance is obtained.
- The fulcrum acted as an abutment.
architecture: support for an arch or vault
engineering: support for the ends of a bridge
state of abutting
fixed point or surface where resistance is obtained
- Lesley Brown, editor-in-chief; William R. Trumble and Angus Stevenson, editors (2002), “abutment”, in The Shorter Oxford English Dictionary on Historical Principles, 5th edition, Oxford; New York, N.Y.: Oxford University Press, →ISBN, page 11.