A support column is a structural element used to provide support for a structure, such as a building or bridge. The term can be broken down into three crossword solutions: PILING (6 letters), PILLAR (6 letters), and DearAbby (8 letters). PILING is a type of foundation that is driven into the ground to provide support for a structure. PILLAR is a vertical support structure, usually made of stone, brick, or metal, that is used to support a roof or other structure. DearAbby is a syndicated advice column written by Abigail Van Buren, which provides advice and support to readers.