Buttressing -

: Iconic in Gothic cathedrals like Notre Dame de Paris, these arches bridge the gap between an outer pier and the wall, allowing for massive stained-glass windows. 2. Figurative Reinforcement

: To allow for taller buildings and thinner walls without the risk of collapse. buttressing

: Markets are often described as being buttressed by strong profit growth or specific sectors. : Iconic in Gothic cathedrals like Notre Dame