abutment
/əˈbʌt.mn̩t/ noun
Forms abutments
- noun The point of junction between two things, in particular a support, that abuts.
- noun (engineering, architecture) The solid portion of a structure that supports the lateral pressure of an arch or vault.
- noun (engineering) A construction that supports the ends of a bridge; a structure that anchors the cables on a suspension bridge.
- noun (engineering) The part of a valley or canyon wall against which a dam is constructed.
- noun Something that abuts, or on which something abuts.
- noun The state of abutting.
- noun (architecture) That element that shares a common boundary or surface with its neighbor.
- noun (dentistry) The tooth that supports a denture or bridge.
Etymology
First attested in 1644; engineering sense first attested in 1793. From Old French aboutement. Equivalent to abut + -ment.
Webster’s 1913
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “abutment”, CC BY-SA 4.0. Details