Definition of "abutment"

The point of junction between two things, in particular a support, that abuts.  examples

(engineering, architecture) The solid portion of a structure that supports the lateral pressure of an arch or vault.  examples

(engineering) A construction that supports the ends of a bridge; a structure that anchors the cables on a suspension bridge.  quotations  examples

(engineering) The part of a valley or canyon wall against which a dam is constructed.  examples

Something that abuts, or on which something abuts.  examples

The state of abutting.  examples

(architecture) That element that shares a common boundary or surface with its neighbor.  examples

(dentistry) The tooth that supports a denture or bridge.  examples

A fixed point or surface where resistance is obtained.  examples