Definition of abutments:
(n) :
(engineering, architecture) The solid portion of a structure that supports the lateral pressure of an arch or vault.
(n) :
(engineering) A construction that supports the ends of a bridge; a structure that anchors the cables on a suspension bridge.
(n) :
The point of junction between two things, in particular a support, that abuts.
(n) :
Something that abuts, or on which something abuts.
(n) :
(architecture) That element that shares a common boundary or surface with its neighbor.
(n) :
The state of abutting.