abutment
noun architecture specialized uk/əˈbʌt.mənt/ us/əˈbʌt.mənt/
[ C ]桥台;拱座
a structure that is built to support an arch (= a curved top on two supports, that holds the weight of something above it), or the end of a bridge
[ U ]使用桥台或拱座提供的支撑
the process of supporting something using an abutment