a structure built to support the lateral pressure of an arch or span, e.g. at the ends of a bridge:the first bridge was of timber with stone abutments
[mass noun] the process of supporting something with an abutment:efficient abutment is needed at this point
a point at which something abuts against something else:a mirror with a delicate border of engraved blue glass in ten sections, each abutment masked by a thin metal strip
abutment in other Oxford dictionaries
Definition of abutment in the US English dictionary
