kiila (englanniksi)

wedge (s: loivasti oheneva kappale, joka reunoihin / simple machine / geometry / five-sided polyhedron / figuratively / something that creates a division / V-shaped force acting to split the opposing army)
gusset (s: clothing / small piece of cloth inserted in a garment, for the purpose of strengthening some part or giving it a tapering enlargement)
pile (s: heraldry)