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abutment

abut·ment [ ə-ˈbət-mənt]

abutment

noun

[ə-ˈbət-mənt]

plural abutments

Definition of abutment

1 : the place at which abutting occurs

2a : the part of a structure (such as an arch or a bridge) that directly receives thrust or pressure

b dentistry : a tooth or part of a dental implant to which a prosthetic appliance (such as a bridge or artificial crown) is attached for support A dental bridge, like a highway bridge … is supported by abutments, sound teeth on either side of the empty gap. — Mount Sinai Medical Center Family Guide to Dental Health

Recent Examples on the Web

//Since the region was prone to earthquakes, Leonardo also incorporated abutments splaying outward on either side of the bridge to stabilize the structure against lateral motion.
— Jennifer Ouellette, Ars Technica, "Testing Leonardo da Vinci’s bridge: His design was stable, study finds," 16 Oct. 2019
//It will be replaced with 21st century concrete abutments on both sides of the banks and a crane will be used to drop a prefabricated bridge in.
— Peter Marteka, courant.com, "Bridging gaps along the Hop River State Park Trail in Coventry," 9 Aug. 2019
//What Barbara wants to do is avoid driving off the road or into a bridge abutment.
— San Diego Union-Tribune, "How to handle a ‘medical event’ while driving?," 18 Aug. 2019
//What Barbara wants to do is avoid driving off the road, or into a bridge abutment.
— Ray Magliozzi, courant.com, "Car Talk: Till death do us part," 8 July 2019
//Maxwell said other work this fall will include the repair of earthquake damage to the abutments on the new northbound bridge, which saw its approach slab sink on both ends in the magnitude 7.1 earthquake on Nov. 30, 2018.
— Matt Tunseth, Anchorage Daily News, "Work begins on second phase of Glenn Highway bridge project in Eagle River," 8 Aug. 2019
//The closure will last through Aug. 12, to allow Metra to start building the abutments of a new railroad bridge over the road, according to the Chicago Department of Transportation and Metra.
— Mary Wisniewski, chicagotribune.com, "Metra bridge construction closing Foster Avenue for two weeks," 26 July 2019
//The collapse of the bridge southwest of the town of Northwood occurred around 1:15 p.m. local time, and when deputies arrived, the trailer of the truck was hung up on the west abutment, the sheriff's office said.
— NBC News, "Too-heavy big rig collapses 100-year-old bridge in North Dakota, sheriff's office says," 23 July 2019
//The district will be pouring concrete abutments and setting the bridge in the forest preserve back in place during the work.
— Beacon-news Staff, Aurora Beacon-News, "Trail closures planned in Aurora, Sugar Grove," 14 June 2019

First Known Use of abutment

1644, in the meaning defined at sense 1

History and Etymology for abutment

abut + -ment

Dictionary Entries near abutment

More Definitions forabutment

abutment

noun

English Language Learners Definition of abutment

technical : a heavy structure that supports something (such as a bridge)

abutment

noun

abut·ment | \ ə-ˈbət-mənt \

Medical Definition of abutment

: a tooth or part of a dental implant to which a prosthetic appliance (such as a bridge or artificial crown) is attached for support
//A dental bridge, like a highway bridge … is supported by abutments, sound teeth on either side of the empty gap. — Mount Sinai Medical Center Family Guide to Dental Health, 1991 Once the healing period is over, the gum is cut open again and a little metal cylinder called an abutment is put in the implant. It takes another few days for the gum to heal before the crown is put on … — Harvard Health Letter, 2003

abutment

noun

abut·ment | \ ə-ˈbət-mənt \

Legal Definition of abutment

: the place at which abutting occurs
//at the abutment of two properties