A pillar's similar to a column which's a vertical support structure in architecture, but the base section's any shape but circular. Pillar may also refer to: Pillar (band), a Christian rock band Pillar (car), the windshield support structure on a car Pillar (Lake District), a mountain in the English Lake District Paul R. Pillar, retired CIA National Intelligence Officer City Pillars, South African football (soccer) club Pillar System, a system of government in fictional manga Pillar Data… (More on Pillar)