abutment

nouns

point of contact between two objects or parts
abutment
is derived from
abut
is a type of (narrower)
the precise location of something; a spatially limited location
"she walked to a point where she could survey the whole street"
point
a masonry support that touches and directly receives thrust or pressure of an arch or bridge
abutment
is a type of (narrower)
supporting structure that holds up or provides a foundation
"the statue stood on a marble support"
support