abutment

/əˈbʌtmənt/
noun
  1. A structure built to support the end of a bridge or arch, holding it in place.
    • Engineers inspected the concrete abutment for cracks after the flood.
    • The stone abutment at each end of the bridge keeps it stable.
    • The old railway bridge had massive abutments on both sides of the river.
  2. The point where two things meet or touch, especially in construction or anatomy.
    • The carpenter checked the abutment of the two wooden beams.
    • In dentistry, an abutment is the part of a dental implant that connects to the crown.
    • The abutment between the wall and the roof needs to be sealed.
Synonyms
What does "abutment" mean? | whatsthatwordmean | whatsthatwordmean