Definify.com
Webster 1913 Edition
Abutment
A-but′ment
(ȧ-bŭt′ment)
, Noun.
 1. 
State of abutting. 
2. 
That on or against which a body abuts or presses
; as 
(a) 
(Arch.) 
The solid part of a pier or wall, etc., which receives the thrust or lateral pressure of an arch, vault, or strut. 
Gwilt. 
(b) 
(Mech.) 
A fixed point or surface from which resistance or reaction is obtained, as the cylinder head of a steam engine, the fulcrum of a lever, etc. 
(c) 
In breech-loading firearms, the block behind the barrel which receives the pressure due to recoil. 
Webster 1828 Edition
Abutment
ABUT'MENT
,Noun.
  1.
  The head or end; that which unites one end of a thing to another; chiefly used to denote the solid pier or mound of earth, stone or timber, which is erected on the bank of a river to support the end of a bridge and connect it with the land.2.
  That which abuts or borders on another.Definition 2025
abutment
abutment
English

several abutments
Noun
abutment (plural abutments)
- The point of junction between two things, in particular a support, that abuts. [First attested in the mid 17th century.][1]
 - (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.][1]
 - (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.][1]
 - Something that abuts, or on which something abuts. [First attested in the mid 18th century.][1]
 - 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.
 
 
Translations
point of junction that abuts
  | 
engineering: support for the ends of a bridge
  | 
state of abutting
fixed point or surface where resistance is obtained
  |