abutment

[ uh-buht-muh nt ]
/ əˈbʌt mənt /

noun

Architecture, Civil Engineering.
  1. a masonry mass supporting and receiving the thrust of part of an arch or vault.
  2. a force that serves to abut an arch or vault.
  3. a mass, as of masonry, receiving the arch, beam, truss, etc., at each end of a bridge.
  4. a mass or structure for resisting the pressure of water on a bridge, pier, or the like.
  5. each of the parts of a canyon or the like receiving the thrusts of an arch dam.
  6. a structure for absorbing tensions from reinforcing strands for concrete being prestressed.
the place where projecting parts meet; junction.
Dentistry. a tooth or tooth root that supports or stabilizes a bridge, denture, or other prosthetic appliance.

Origin of abutment

First recorded in 1635–45; abut + -ment
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for abutment

abutment

abuttal

/ (əˈbʌtmənt) /

noun

the state or process of abutting
  1. something that abuts
  2. the thing on which something abuts
  3. the point of junction between them
architect civil engineering a construction that takes the thrust of an arch or vault or supports the end of a bridge

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for abutment

abutment

[ ə-bŭtmənt ]

n.

A natural tooth or implanted tooth substitute used to support or anchor a dental prosthesis.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.