{s} chopped down, cut down, cut off, amputated; concerning a geometric form whose end is cut off by a plane
cut short in duration; "the abbreviated speech"; "a curtailed visit"; "her shortened life was clearly the result of smoking"; "an unsatisfactory truncated conversation"
Describing a solid generated from a given solid by two non-parallel planes cutting the given solid
Replaced, or cut off, by a plane, especially when equally inclined to the adjoining faces; as, a truncated edge