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Definition of abutment:

  1. 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.
  2. In breech- loading firearms, the block behind the barrel which receives the pressure due to recoil.
  3. State of abutting.
  4. That on or against which a body abuts or presses
  5. The solid part of a pier or wall, etc., which receives the thrust or lateral pressure of an arch, vault, or strut.


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