PILLAR

[noun] [C] - a strong column made of stone, metal or wood which supports part of a building, or something generally of this shapeReinforced concrete pillars support the bridge.The overhanging first storey rests on a row of pillars.a pillar of smoke/flameIf someone or something goes from pillar to post, they are forced to go repeatedly from one place to another.My parents were always on the move - my childhood was spent being dragged from pillar to post.(UK) A pillar-box is a type of postbox found in the street. It looks like a large tube about one and a half metres high, and in Britain is a bright red, sometimes called pillar-box red.